Finding the Fourth Proportional to 1,753,460.88, 2,419,752.12 and 979,103.68
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Solution
The fourth proportional to 1,753,460.88, 2,419,752.12 and 979,103.68 is: 1,351,149.74
Step by Step Solution
- Step 1: Write the proportion equation
1,753,460.88 : 2,419,752.12 = 979,103.68 : x - Step 2: Convert to fraction form
1,753,460.88/2,419,752.12 = 979,103.68/x - Step 3: Cross multiply
1,753,460.88x = 2,419,752.12 × 979,103.68 - Step 4: Simplify right side
1,753,460.88x = 2,369,188,205,379.80 - Step 5: Solve for x
x = 2,369,188,205,379.80/1,753,460.88 - Step 6: Final answer
x = 1,351,149.74
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.