Finding the Fourth Proportional to 3,711,198.15, 5,121,592.11 and 2,079,545.13
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Solution
The fourth proportional to 3,711,198.15, 5,121,592.11 and 2,079,545.13 is: 2,869,849.98
Step by Step Solution
- Step 1: Write the proportion equation
3,711,198.15 : 5,121,592.11 = 2,079,545.13 : x - Step 2: Convert to fraction form
3,711,198.15/5,121,592.11 = 2,079,545.13/x - Step 3: Cross multiply
3,711,198.15x = 5,121,592.11 × 2,079,545.13 - Step 4: Simplify right side
3,711,198.15x = 10,650,581,930,196.92 - Step 5: Solve for x
x = 10,650,581,930,196.92/3,711,198.15 - Step 6: Final answer
x = 2,869,849.98
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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.