Finding the Fourth Proportional to 3,581,882.20, 5,372,823.30 and 3,251,207.80
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Solution
The fourth proportional to 3,581,882.20, 5,372,823.30 and 3,251,207.80 is: 4,876,811.70
Step by Step Solution
- Step 1: Write the proportion equation
3,581,882.20 : 5,372,823.30 = 3,251,207.80 : x - Step 2: Convert to fraction form
3,581,882.20/5,372,823.30 = 3,251,207.80/x - Step 3: Cross multiply
3,581,882.20x = 5,372,823.30 × 3,251,207.80 - Step 4: Simplify right side
3,581,882.20x = 17,468,165,020,981.74 - Step 5: Solve for x
x = 17,468,165,020,981.74/3,581,882.20 - Step 6: Final answer
x = 4,876,811.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.