Finding the Fourth Proportional to 2,372,376.60, 3,273,934.68 and 1,353,876.12
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Solution
The fourth proportional to 2,372,376.60, 3,273,934.68 and 1,353,876.12 is: 1,868,380.42
Step by Step Solution
- Step 1: Write the proportion equation
2,372,376.60 : 3,273,934.68 = 1,353,876.12 : x - Step 2: Convert to fraction form
2,372,376.60/3,273,934.68 = 1,353,876.12/x - Step 3: Cross multiply
2,372,376.60x = 3,273,934.68 × 1,353,876.12 - Step 4: Simplify right side
2,372,376.60x = 4,432,501,981,691.84 - Step 5: Solve for x
x = 4,432,501,981,691.84/2,372,376.60 - Step 6: Final answer
x = 1,868,380.42
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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.