Finding the Fourth Proportional to 1,625,873.28, 2,438,292.96 and 1,519,732.50
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Solution
The fourth proportional to 1,625,873.28, 2,438,292.96 and 1,519,732.50 is: 2,279,115.54
Step by Step Solution
- Step 1: Write the proportion equation
1,625,873.28 : 2,438,292.96 = 1,519,732.50 : x - Step 2: Convert to fraction form
1,625,873.28/2,438,292.96 = 1,519,732.50/x - Step 3: Cross multiply
1,625,873.28x = 2,438,292.96 × 1,519,732.50 - Step 4: Simplify right side
1,625,873.28x = 3,705,553,055,833.20 - Step 5: Solve for x
x = 3,705,553,055,833.20/1,625,873.28 - Step 6: Final answer
x = 2,279,115.54
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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.