Finding the Fourth Proportional to 1,644,129.39, 2,466,138.50 and 579,143.62
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Solution
The fourth proportional to 1,644,129.39, 2,466,138.50 and 579,143.62 is: 868,695.85
Step by Step Solution
- Step 1: Write the proportion equation
1,644,129.39 : 2,466,138.50 = 579,143.62 : x - Step 2: Convert to fraction form
1,644,129.39/2,466,138.50 = 579,143.62/x - Step 3: Cross multiply
1,644,129.39x = 2,466,138.50 × 579,143.62 - Step 4: Simplify right side
1,644,129.39x = 1,428,248,383,927.80 - Step 5: Solve for x
x = 1,428,248,383,927.80/1,644,129.39 - Step 6: Final answer
x = 868,695.85
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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.