Finding the Fourth Proportional to 4,024,655.61, 5,553,520.15 and 2,720,744.80
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Solution
The fourth proportional to 4,024,655.61, 5,553,520.15 and 2,720,744.80 is: 3,754,286.70
Step by Step Solution
- Step 1: Write the proportion equation
4,024,655.61 : 5,553,520.15 = 2,720,744.80 : x - Step 2: Convert to fraction form
4,024,655.61/5,553,520.15 = 2,720,744.80/x - Step 3: Cross multiply
4,024,655.61x = 5,553,520.15 × 2,720,744.80 - Step 4: Simplify right side
4,024,655.61x = 15,109,711,042,320.19 - Step 5: Solve for x
x = 15,109,711,042,320.19/4,024,655.61 - Step 6: Final answer
x = 3,754,286.70
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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.