Finding the Fourth Proportional to 5,322,432.20, 7,981,898.70 and 1,956,201.80
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Solution
The fourth proportional to 5,322,432.20, 7,981,898.70 and 1,956,201.80 is: 2,933,659.65
Step by Step Solution
- Step 1: Write the proportion equation
5,322,432.20 : 7,981,898.70 = 1,956,201.80 : x - Step 2: Convert to fraction form
5,322,432.20/7,981,898.70 = 1,956,201.80/x - Step 3: Cross multiply
5,322,432.20x = 7,981,898.70 × 1,956,201.80 - Step 4: Simplify right side
5,322,432.20x = 15,614,204,604,357.66 - Step 5: Solve for x
x = 15,614,204,604,357.66/5,322,432.20 - Step 6: Final answer
x = 2,933,659.65
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.