Finding the Fourth Proportional to 5,126,691.20, 7,690,474.20 and 1,340,168
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Solution
The fourth proportional to 5,126,691.20, 7,690,474.20 and 1,340,168 is: 2,010,366.34
Step by Step Solution
- Step 1: Write the proportion equation
5,126,691.20 : 7,690,474.20 = 1,340,168 : x - Step 2: Convert to fraction form
5,126,691.20/7,690,474.20 = 1,340,168/x - Step 3: Cross multiply
5,126,691.20x = 7,690,474.20 × 1,340,168 - Step 4: Simplify right side
5,126,691.20x = 10,306,527,427,665.60 - Step 5: Solve for x
x = 10,306,527,427,665.60/5,126,691.20 - Step 6: Final answer
x = 2,010,366.34
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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.