Finding the Fourth Proportional to 4,744,904.70, 7,115,884.98 and 1,711,876.28
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Solution
The fourth proportional to 4,744,904.70, 7,115,884.98 and 1,711,876.28 is: 2,567,283.32
Step by Step Solution
- Step 1: Write the proportion equation
4,744,904.70 : 7,115,884.98 = 1,711,876.28 : x - Step 2: Convert to fraction form
4,744,904.70/7,115,884.98 = 1,711,876.28/x - Step 3: Cross multiply
4,744,904.70x = 7,115,884.98 × 1,711,876.28 - Step 4: Simplify right side
4,744,904.70x = 12,181,514,708,470.28 - Step 5: Solve for x
x = 12,181,514,708,470.28/4,744,904.70 - Step 6: Final answer
x = 2,567,283.32
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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.