Finding the Fourth Proportional to 4,138,552.66, 5,711,699.85 and 2,506,912.14
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Solution
The fourth proportional to 4,138,552.66, 5,711,699.85 and 2,506,912.14 is: 3,459,839.92
Step by Step Solution
- Step 1: Write the proportion equation
4,138,552.66 : 5,711,699.85 = 2,506,912.14 : x - Step 2: Convert to fraction form
4,138,552.66/5,711,699.85 = 2,506,912.14/x - Step 3: Cross multiply
4,138,552.66x = 5,711,699.85 × 2,506,912.14 - Step 4: Simplify right side
4,138,552.66x = 14,318,729,694,001.18 - Step 5: Solve for x
x = 14,318,729,694,001.18/4,138,552.66 - Step 6: Final answer
x = 3,459,839.92
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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.