Finding the Fourth Proportional to 3,385,589.13, 5,078,324.85 and 1,363,781.36
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Solution
The fourth proportional to 3,385,589.13, 5,078,324.85 and 1,363,781.36 is: 2,045,648.33
Step by Step Solution
- Step 1: Write the proportion equation
3,385,589.13 : 5,078,324.85 = 1,363,781.36 : x - Step 2: Convert to fraction form
3,385,589.13/5,078,324.85 = 1,363,781.36/x - Step 3: Cross multiply
3,385,589.13x = 5,078,324.85 × 1,363,781.36 - Step 4: Simplify right side
3,385,589.13x = 6,925,724,745,063.17 - Step 5: Solve for x
x = 6,925,724,745,063.17/3,385,589.13 - Step 6: Final answer
x = 2,045,648.33
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.