Finding the Fourth Proportional to 3,658,481.60, 5,488,305.60 and 1,527,468.80
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Solution
The fourth proportional to 3,658,481.60, 5,488,305.60 and 1,527,468.80 is: 2,291,446.69
Step by Step Solution
- Step 1: Write the proportion equation
3,658,481.60 : 5,488,305.60 = 1,527,468.80 : x - Step 2: Convert to fraction form
3,658,481.60/5,488,305.60 = 1,527,468.80/x - Step 3: Cross multiply
3,658,481.60x = 5,488,305.60 × 1,527,468.80 - Step 4: Simplify right side
3,658,481.60x = 8,383,215,568,865.28 - Step 5: Solve for x
x = 8,383,215,568,865.28/3,658,481.60 - Step 6: Final answer
x = 2,291,446.69
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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.