Finding the Fourth Proportional to 4,231,276.20, 6,346,789.92 and 1,198,636.20
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Solution
The fourth proportional to 4,231,276.20, 6,346,789.92 and 1,198,636.20 is: 1,797,919.07
Step by Step Solution
- Step 1: Write the proportion equation
4,231,276.20 : 6,346,789.92 = 1,198,636.20 : x - Step 2: Convert to fraction form
4,231,276.20/6,346,789.92 = 1,198,636.20/x - Step 3: Cross multiply
4,231,276.20x = 6,346,789.92 × 1,198,636.20 - Step 4: Simplify right side
4,231,276.20x = 7,607,492,151,907.10 - Step 5: Solve for x
x = 7,607,492,151,907.10/4,231,276.20 - Step 6: Final answer
x = 1,797,919.07
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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.