Finding the Fourth Proportional to 3,853,694.28, 5,318,098.20 and 2,134,926.12
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Solution
The fourth proportional to 3,853,694.28, 5,318,098.20 and 2,134,926.12 is: 2,946,198.10
Step by Step Solution
- Step 1: Write the proportion equation
3,853,694.28 : 5,318,098.20 = 2,134,926.12 : x - Step 2: Convert to fraction form
3,853,694.28/5,318,098.20 = 2,134,926.12/x - Step 3: Cross multiply
3,853,694.28x = 5,318,098.20 × 2,134,926.12 - Step 4: Simplify right side
3,853,694.28x = 11,353,746,755,904.98 - Step 5: Solve for x
x = 11,353,746,755,904.98/3,853,694.28 - Step 6: Final answer
x = 2,946,198.10
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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.