Finding the Fourth Proportional to 3,657,397.05, 5,486,358.56 and 1,261,207.13
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Solution
The fourth proportional to 3,657,397.05, 5,486,358.56 and 1,261,207.13 is: 1,891,901.37
Step by Step Solution
- Step 1: Write the proportion equation
3,657,397.05 : 5,486,358.56 = 1,261,207.13 : x - Step 2: Convert to fraction form
3,657,397.05/5,486,358.56 = 1,261,207.13/x - Step 3: Cross multiply
3,657,397.05x = 5,486,358.56 × 1,261,207.13 - Step 4: Simplify right side
3,657,397.05x = 6,919,434,499,870.70 - Step 5: Solve for x
x = 6,919,434,499,870.70/3,657,397.05 - Step 6: Final answer
x = 1,891,901.37
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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.