Finding the Fourth Proportional to 3,940,244.85, 5,910,544.40 and 1,207,592.13
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Solution
The fourth proportional to 3,940,244.85, 5,910,544.40 and 1,207,592.13 is: 1,811,442.48
Step by Step Solution
- Step 1: Write the proportion equation
3,940,244.85 : 5,910,544.40 = 1,207,592.13 : x - Step 2: Convert to fraction form
3,940,244.85/5,910,544.40 = 1,207,592.13/x - Step 3: Cross multiply
3,940,244.85x = 5,910,544.40 × 1,207,592.13 - Step 4: Simplify right side
3,940,244.85x = 7,137,526,895,417.61 - Step 5: Solve for x
x = 7,137,526,895,417.61/3,940,244.85 - Step 6: Final answer
x = 1,811,442.48
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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.