Finding the Fourth Proportional to 5,381,251.92, 7,426,306.53 and 3,205,497.96
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Solution
The fourth proportional to 5,381,251.92, 7,426,306.53 and 3,205,497.96 is: 4,423,693.74
Step by Step Solution
- Step 1: Write the proportion equation
5,381,251.92 : 7,426,306.53 = 3,205,497.96 : x - Step 2: Convert to fraction form
5,381,251.92/7,426,306.53 = 3,205,497.96/x - Step 3: Cross multiply
5,381,251.92x = 7,426,306.53 × 3,205,497.96 - Step 4: Simplify right side
5,381,251.92x = 23,805,010,432,249.68 - Step 5: Solve for x
x = 23,805,010,432,249.68/5,381,251.92 - Step 6: Final answer
x = 4,423,693.74
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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.