Finding the Fourth Proportional to 4,093,217.20, 6,146,824.20 and 2,679,540.40
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Solution
The fourth proportional to 4,093,217.20, 6,146,824.20 and 2,679,540.40 is: 4,023,891.96
Step by Step Solution
- Step 1: Write the proportion equation
4,093,217.20 : 6,146,824.20 = 2,679,540.40 : x - Step 2: Convert to fraction form
4,093,217.20/6,146,824.20 = 2,679,540.40/x - Step 3: Cross multiply
4,093,217.20x = 6,146,824.20 × 2,679,540.40 - Step 4: Simplify right side
4,093,217.20x = 16,470,663,775,597.68 - Step 5: Solve for x
x = 16,470,663,775,597.68/4,093,217.20 - Step 6: Final answer
x = 4,023,891.96
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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.