Finding the Fourth Proportional to 5,818,661.87, 8,029,446.94 and 3,337,757.31
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Solution
The fourth proportional to 5,818,661.87, 8,029,446.94 and 3,337,757.31 is: 4,605,929.31
Step by Step Solution
- Step 1: Write the proportion equation
5,818,661.87 : 8,029,446.94 = 3,337,757.31 : x - Step 2: Convert to fraction form
5,818,661.87/8,029,446.94 = 3,337,757.31/x - Step 3: Cross multiply
5,818,661.87x = 8,029,446.94 × 3,337,757.31 - Step 4: Simplify right side
5,818,661.87x = 26,800,345,253,524.76 - Step 5: Solve for x
x = 26,800,345,253,524.76/5,818,661.87 - Step 6: Final answer
x = 4,605,929.31
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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.