Finding the Fourth Proportional to 3,177,791.62, 4,385,380.97 and 1,727,489.86
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Solution
The fourth proportional to 3,177,791.62, 4,385,380.97 and 1,727,489.86 is: 2,383,951.52
Step by Step Solution
- Step 1: Write the proportion equation
3,177,791.62 : 4,385,380.97 = 1,727,489.86 : x - Step 2: Convert to fraction form
3,177,791.62/4,385,380.97 = 1,727,489.86/x - Step 3: Cross multiply
3,177,791.62x = 4,385,380.97 × 1,727,489.86 - Step 4: Simplify right side
3,177,791.62x = 7,575,701,151,267.24 - Step 5: Solve for x
x = 7,575,701,151,267.24/3,177,791.62 - Step 6: Final answer
x = 2,383,951.52
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.