Finding the Fourth Proportional to 4,231,759.80, 6,348,572.82 and 1,391,757.24
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Solution
The fourth proportional to 4,231,759.80, 6,348,572.82 and 1,391,757.24 is: 2,087,942.75
Step by Step Solution
- Step 1: Write the proportion equation
4,231,759.80 : 6,348,572.82 = 1,391,757.24 : x - Step 2: Convert to fraction form
4,231,759.80/6,348,572.82 = 1,391,757.24/x - Step 3: Cross multiply
4,231,759.80x = 6,348,572.82 × 1,391,757.24 - Step 4: Simplify right side
4,231,759.80x = 8,835,672,185,902.22 - Step 5: Solve for x
x = 8,835,672,185,902.22/4,231,759.80 - Step 6: Final answer
x = 2,087,942.75
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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.