Finding the Fourth Proportional to 3,432,910.80, 5,149,366.20 and 908,821.20
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Solution
The fourth proportional to 3,432,910.80, 5,149,366.20 and 908,821.20 is: 1,363,231.80
Step by Step Solution
- Step 1: Write the proportion equation
3,432,910.80 : 5,149,366.20 = 908,821.20 : x - Step 2: Convert to fraction form
3,432,910.80/5,149,366.20 = 908,821.20/x - Step 3: Cross multiply
3,432,910.80x = 5,149,366.20 × 908,821.20 - Step 4: Simplify right side
3,432,910.80x = 4,679,853,169,123.44 - Step 5: Solve for x
x = 4,679,853,169,123.44/3,432,910.80 - Step 6: Final answer
x = 1,363,231.80
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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.