Finding the Fourth Proportional to 1,098,028.24, 1,647,175.26 and 387,910.96
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Solution
The fourth proportional to 1,098,028.24, 1,647,175.26 and 387,910.96 is: 581,913.39
Step by Step Solution
- Step 1: Write the proportion equation
1,098,028.24 : 1,647,175.26 = 387,910.96 : x - Step 2: Convert to fraction form
1,098,028.24/1,647,175.26 = 387,910.96/x - Step 3: Cross multiply
1,098,028.24x = 1,647,175.26 × 387,910.96 - Step 4: Simplify right side
1,098,028.24x = 638,957,336,394.85 - Step 5: Solve for x
x = 638,957,336,394.85/1,098,028.24 - Step 6: Final answer
x = 581,913.39
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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.