Finding the Fourth Proportional to 4,187,902.78, 6,283,115.34 and 1,491,876.10
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Solution
The fourth proportional to 4,187,902.78, 6,283,115.34 and 1,491,876.10 is: 2,238,263.42
Step by Step Solution
- Step 1: Write the proportion equation
4,187,902.78 : 6,283,115.34 = 1,491,876.10 : x - Step 2: Convert to fraction form
4,187,902.78/6,283,115.34 = 1,491,876.10/x - Step 3: Cross multiply
4,187,902.78x = 6,283,115.34 × 1,491,876.10 - Step 4: Simplify right side
4,187,902.78x = 9,373,629,609,289.38 - Step 5: Solve for x
x = 9,373,629,609,289.38/4,187,902.78 - Step 6: Final answer
x = 2,238,263.42
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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.