Finding the Fourth Proportional to 2,221,399.49, 3,065,533.49 and 1,202,801.81
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Solution
The fourth proportional to 2,221,399.49, 3,065,533.49 and 1,202,801.81 is: 1,659,867.68
Step by Step Solution
- Step 1: Write the proportion equation
2,221,399.49 : 3,065,533.49 = 1,202,801.81 : x - Step 2: Convert to fraction form
2,221,399.49/3,065,533.49 = 1,202,801.81/x - Step 3: Cross multiply
2,221,399.49x = 3,065,533.49 × 1,202,801.81 - Step 4: Simplify right side
2,221,399.49x = 3,687,229,218,066.95 - Step 5: Solve for x
x = 3,687,229,218,066.95/2,221,399.49 - Step 6: Final answer
x = 1,659,867.68
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.