Finding the Fourth Proportional to 1,654,931.46, 2,486,134.05 and 981,454.50
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Solution
The fourth proportional to 1,654,931.46, 2,486,134.05 and 981,454.50 is: 1,474,397.89
Step by Step Solution
- Step 1: Write the proportion equation
1,654,931.46 : 2,486,134.05 = 981,454.50 : x - Step 2: Convert to fraction form
1,654,931.46/2,486,134.05 = 981,454.50/x - Step 3: Cross multiply
1,654,931.46x = 2,486,134.05 × 981,454.50 - Step 4: Simplify right side
1,654,931.46x = 2,440,027,450,975.72 - Step 5: Solve for x
x = 2,440,027,450,975.72/1,654,931.46 - Step 6: Final answer
x = 1,474,397.89
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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.