Finding the Fourth Proportional to 2,515,532.28, 3,471,358.68 and 1,397,917.23
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Solution
The fourth proportional to 2,515,532.28, 3,471,358.68 and 1,397,917.23 is: 1,929,083.62
Step by Step Solution
- Step 1: Write the proportion equation
2,515,532.28 : 3,471,358.68 = 1,397,917.23 : x - Step 2: Convert to fraction form
2,515,532.28/3,471,358.68 = 1,397,917.23/x - Step 3: Cross multiply
2,515,532.28x = 3,471,358.68 × 1,397,917.23 - Step 4: Simplify right side
2,515,532.28x = 4,852,672,110,282.06 - Step 5: Solve for x
x = 4,852,672,110,282.06/2,515,532.28 - Step 6: Final answer
x = 1,929,083.62
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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.