Finding the Fourth Proportional to 5,438,414.10, 8,157,623.22 and 1,394,902.02
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Solution
The fourth proportional to 5,438,414.10, 8,157,623.22 and 1,394,902.02 is: 2,092,353.56
Step by Step Solution
- Step 1: Write the proportion equation
5,438,414.10 : 8,157,623.22 = 1,394,902.02 : x - Step 2: Convert to fraction form
5,438,414.10/8,157,623.22 = 1,394,902.02/x - Step 3: Cross multiply
5,438,414.10x = 8,157,623.22 × 1,394,902.02 - Step 4: Simplify right side
5,438,414.10x = 11,379,085,107,976.90 - Step 5: Solve for x
x = 11,379,085,107,976.90/5,438,414.10 - Step 6: Final answer
x = 2,092,353.56
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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.