Finding the Fourth Proportional to 1,498,452.20, 2,247,678.30 and 858,098.60
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Solution
The fourth proportional to 1,498,452.20, 2,247,678.30 and 858,098.60 is: 1,287,147.90
Step by Step Solution
- Step 1: Write the proportion equation
1,498,452.20 : 2,247,678.30 = 858,098.60 : x - Step 2: Convert to fraction form
1,498,452.20/2,247,678.30 = 858,098.60/x - Step 3: Cross multiply
1,498,452.20x = 2,247,678.30 × 858,098.60 - Step 4: Simplify right side
1,498,452.20x = 1,928,729,602,480.38 - Step 5: Solve for x
x = 1,928,729,602,480.38/1,498,452.20 - Step 6: Final answer
x = 1,287,147.90
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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.