Finding the Fourth Proportional to 4,719,261.76, 6,513,080.88 and 2,884,793.76
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Solution
The fourth proportional to 4,719,261.76, 6,513,080.88 and 2,884,793.76 is: 3,981,320.82
Step by Step Solution
- Step 1: Write the proportion equation
4,719,261.76 : 6,513,080.88 = 2,884,793.76 : x - Step 2: Convert to fraction form
4,719,261.76/6,513,080.88 = 2,884,793.76/x - Step 3: Cross multiply
4,719,261.76x = 6,513,080.88 × 2,884,793.76 - Step 4: Simplify right side
4,719,261.76x = 18,788,895,080,999.31 - Step 5: Solve for x
x = 18,788,895,080,999.31/4,719,261.76 - Step 6: Final answer
x = 3,981,320.82
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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.