Finding the Fourth Proportional to 4,138,548.90, 5,711,694.68 and 2,506,908.39
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Solution
The fourth proportional to 4,138,548.90, 5,711,694.68 and 2,506,908.39 is: 3,459,834.75
Step by Step Solution
- Step 1: Write the proportion equation
4,138,548.90 : 5,711,694.68 = 2,506,908.39 : x - Step 2: Convert to fraction form
4,138,548.90/5,711,694.68 = 2,506,908.39/x - Step 3: Cross multiply
4,138,548.90x = 5,711,694.68 × 2,506,908.39 - Step 4: Simplify right side
4,138,548.90x = 14,318,695,301,875.82 - Step 5: Solve for x
x = 14,318,695,301,875.82/4,138,548.90 - Step 6: Final answer
x = 3,459,834.75
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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.