Finding the Fourth Proportional to 2,167,532.76, 3,251,755.68 and 819,665.53
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Solution
The fourth proportional to 2,167,532.76, 3,251,755.68 and 819,665.53 is: 1,229,670.93
Step by Step Solution
- Step 1: Write the proportion equation
2,167,532.76 : 3,251,755.68 = 819,665.53 : x - Step 2: Convert to fraction form
2,167,532.76/3,251,755.68 = 819,665.53/x - Step 3: Cross multiply
2,167,532.76x = 3,251,755.68 × 819,665.53 - Step 4: Simplify right side
2,167,532.76x = 2,665,352,036,285.19 - Step 5: Solve for x
x = 2,665,352,036,285.19/2,167,532.76 - Step 6: Final answer
x = 1,229,670.93
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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.