Finding the Fourth Proportional to 2,615,195.70, 3,922,793.55 and 931,691.70
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Solution
The fourth proportional to 2,615,195.70, 3,922,793.55 and 931,691.70 is: 1,397,537.55
Step by Step Solution
- Step 1: Write the proportion equation
2,615,195.70 : 3,922,793.55 = 931,691.70 : x - Step 2: Convert to fraction form
2,615,195.70/3,922,793.55 = 931,691.70/x - Step 3: Cross multiply
2,615,195.70x = 3,922,793.55 × 931,691.70 - Step 4: Simplify right side
2,615,195.70x = 3,654,834,191,348.53 - Step 5: Solve for x
x = 3,654,834,191,348.53/2,615,195.70 - Step 6: Final answer
x = 1,397,537.55
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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.