Finding the Fourth Proportional to 1,549,816.74, 2,324,721.87 and 427,882.50
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Solution
The fourth proportional to 1,549,816.74, 2,324,721.87 and 427,882.50 is: 641,822.86
Step by Step Solution
- Step 1: Write the proportion equation
1,549,816.74 : 2,324,721.87 = 427,882.50 : x - Step 2: Convert to fraction form
1,549,816.74/2,324,721.87 = 427,882.50/x - Step 3: Cross multiply
1,549,816.74x = 2,324,721.87 × 427,882.50 - Step 4: Simplify right side
1,549,816.74x = 994,707,805,540.28 - Step 5: Solve for x
x = 994,707,805,540.28/1,549,816.74 - Step 6: Final answer
x = 641,822.86
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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.