Finding the Fourth Proportional to 1,687,115.59, 2,530,949.49 and 534,440.84
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Solution
The fourth proportional to 1,687,115.59, 2,530,949.49 and 534,440.84 is: 801,748.72
Step by Step Solution
- Step 1: Write the proportion equation
1,687,115.59 : 2,530,949.49 = 534,440.84 : x - Step 2: Convert to fraction form
1,687,115.59/2,530,949.49 = 534,440.84/x - Step 3: Cross multiply
1,687,115.59x = 2,530,949.49 × 534,440.84 - Step 4: Simplify right side
1,687,115.59x = 1,352,642,758,778.42 - Step 5: Solve for x
x = 1,352,642,758,778.42/1,687,115.59 - Step 6: Final answer
x = 801,748.72
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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.