Finding the Fourth Proportional to 3,125,358.28, 4,711,462.21 and 2,917,037.44
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Solution
The fourth proportional to 3,125,358.28, 4,711,462.21 and 2,917,037.44 is: 4,397,419.57
Step by Step Solution
- Step 1: Write the proportion equation
3,125,358.28 : 4,711,462.21 = 2,917,037.44 : x - Step 2: Convert to fraction form
3,125,358.28/4,711,462.21 = 2,917,037.44/x - Step 3: Cross multiply
3,125,358.28x = 4,711,462.21 × 2,917,037.44 - Step 4: Simplify right side
3,125,358.28x = 13,743,511,663,715.14 - Step 5: Solve for x
x = 13,743,511,663,715.14/3,125,358.28 - Step 6: Final answer
x = 4,397,419.57
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.