What is 2100 percent of 4000000 - step by step solution

To get the solution, we are looking for, we need to point out what we know.

1. We assume, that the number 4000000 is 100% - because it's the output value of the task.
2. We assume, that x is the value we are looking for.
3. If 4000000 is 100%, so we can write it down as 4000000=100%.
4. We know, that x is 2100% of the output value, so we can write it down as x=2100%.
5. Now we have two simple equations:
1) 4000000=100%
2) x=2100%
where left sides of both of them have the same units, and both right sides have the same units, so we can do something like that:
4000000/x=100%/2100%
6. Now we just have to solve the simple equation, and we will get the solution we are looking for.

7. Solution for what is 2100% of 4000000

4000000/x=100/2100
(4000000/x)*x=(100/2100)*x       - we multiply both sides of the equation by x
4000000=0.047619047619048*x       - we divide both sides of the equation by (0.047619047619048) to get x
4000000/0.047619047619048=x
84000000=x
x=84000000

now we have:
2100% of 4000000=84000000