Finding the Fourth Proportional to 2,479,947.44, 3,421,919.94 and 1,461,213.68
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Solution
The fourth proportional to 2,479,947.44, 3,421,919.94 and 1,461,213.68 is: 2,016,234.76
Step by Step Solution
- Step 1: Write the proportion equation
2,479,947.44 : 3,421,919.94 = 1,461,213.68 : x - Step 2: Convert to fraction form
2,479,947.44/3,421,919.94 = 1,461,213.68/x - Step 3: Cross multiply
2,479,947.44x = 3,421,919.94 × 1,461,213.68 - Step 4: Simplify right side
2,479,947.44x = 5,000,156,228,192.78 - Step 5: Solve for x
x = 5,000,156,228,192.78/2,479,947.44 - Step 6: Final answer
x = 2,016,234.76
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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.