Finding the Fourth Proportional to 1,518,780.24, 2,278,798.92 and 665,410.68
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Solution
The fourth proportional to 1,518,780.24, 2,278,798.92 and 665,410.68 is: 998,391.41
Step by Step Solution
- Step 1: Write the proportion equation
1,518,780.24 : 2,278,798.92 = 665,410.68 : x - Step 2: Convert to fraction form
1,518,780.24/2,278,798.92 = 665,410.68/x - Step 3: Cross multiply
1,518,780.24x = 2,278,798.92 × 665,410.68 - Step 4: Simplify right side
1,518,780.24x = 1,516,337,138,940.47 - Step 5: Solve for x
x = 1,516,337,138,940.47/1,518,780.24 - Step 6: Final answer
x = 998,391.41
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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.