Finding the Fourth Proportional to 2,254,582.15, 3,107,789.17 and 1,708,531.99
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Solution
The fourth proportional to 2,254,582.15, 3,107,789.17 and 1,708,531.99 is: 2,355,095.92
Step by Step Solution
- Step 1: Write the proportion equation
2,254,582.15 : 3,107,789.17 = 1,708,531.99 : x - Step 2: Convert to fraction form
2,254,582.15/3,107,789.17 = 1,708,531.99/x - Step 3: Cross multiply
2,254,582.15x = 3,107,789.17 × 1,708,531.99 - Step 4: Simplify right side
2,254,582.15x = 5,309,757,215,120.55 - Step 5: Solve for x
x = 5,309,757,215,120.55/2,254,582.15 - Step 6: Final answer
x = 2,355,095.92
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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.