Finding the Fourth Proportional to 3,829,517.76, 5,744,276.64 and 1,170,102.72
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Solution
The fourth proportional to 3,829,517.76, 5,744,276.64 and 1,170,102.72 is: 1,755,154.08
Step by Step Solution
- Step 1: Write the proportion equation
3,829,517.76 : 5,744,276.64 = 1,170,102.72 : x - Step 2: Convert to fraction form
3,829,517.76/5,744,276.64 = 1,170,102.72/x - Step 3: Cross multiply
3,829,517.76x = 5,744,276.64 × 1,170,102.72 - Step 4: Simplify right side
3,829,517.76x = 6,721,393,720,896.46 - Step 5: Solve for x
x = 6,721,393,720,896.46/3,829,517.76 - Step 6: Final answer
x = 1,755,154.08
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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.