Finding the Fourth Proportional to 1,644,129.90, 2,466,139.26 and 579,144.12
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Solution
The fourth proportional to 1,644,129.90, 2,466,139.26 and 579,144.12 is: 868,696.60
Step by Step Solution
- Step 1: Write the proportion equation
1,644,129.90 : 2,466,139.26 = 579,144.12 : x - Step 2: Convert to fraction form
1,644,129.90/2,466,139.26 = 579,144.12/x - Step 3: Cross multiply
1,644,129.90x = 2,466,139.26 × 579,144.12 - Step 4: Simplify right side
1,644,129.90x = 1,428,250,048,634.43 - Step 5: Solve for x
x = 1,428,250,048,634.43/1,644,129.90 - Step 6: Final answer
x = 868,696.60
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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.