Finding the Fourth Proportional to 6,651,694.32, 9,981,283.68 and 3,619,278.96
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Solution
The fourth proportional to 6,651,694.32, 9,981,283.68 and 3,619,278.96 is: 5,430,954.62
Step by Step Solution
- Step 1: Write the proportion equation
6,651,694.32 : 9,981,283.68 = 3,619,278.96 : x - Step 2: Convert to fraction form
6,651,694.32/9,981,283.68 = 3,619,278.96/x - Step 3: Cross multiply
6,651,694.32x = 9,981,283.68 × 3,619,278.96 - Step 4: Simplify right side
6,651,694.32x = 36,125,050,016,815.38 - Step 5: Solve for x
x = 36,125,050,016,815.38/6,651,694.32 - Step 6: Final answer
x = 5,430,954.62
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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.