Finding the Fourth Proportional to 1,488,728.08, 2,233,092.12 and 647,279.92
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Solution
The fourth proportional to 1,488,728.08, 2,233,092.12 and 647,279.92 is: 970,919.88
Step by Step Solution
- Step 1: Write the proportion equation
1,488,728.08 : 2,233,092.12 = 647,279.92 : x - Step 2: Convert to fraction form
1,488,728.08/2,233,092.12 = 647,279.92/x - Step 3: Cross multiply
1,488,728.08x = 2,233,092.12 × 647,279.92 - Step 4: Simplify right side
1,488,728.08x = 1,445,435,688,786.23 - Step 5: Solve for x
x = 1,445,435,688,786.23/1,488,728.08 - Step 6: Final answer
x = 970,919.88
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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.