Home / 2,887,755.92-3,986,983.25-1,855,661.41

Finding the Fourth Proportional to 2,887,755.92, 3,986,983.25 and 1,855,661.41

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Solution

The fourth proportional to 2,887,755.92, 3,986,983.25 and 1,855,661.41 is: 2,562,020.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,887,755.92 : 3,986,983.25 = 1,855,661.41 : x
  2. Step 2: Convert to fraction form
    2,887,755.92/3,986,983.25 = 1,855,661.41/x
  3. Step 3: Cross multiply
    2,887,755.92x = 3,986,983.25 × 1,855,661.41
  4. Step 4: Simplify right side
    2,887,755.92x = 7,398,490,950,063.08
  5. Step 5: Solve for x
    x = 7,398,490,950,063.08/2,887,755.92
  6. Step 6: Final answer
    x = 2,562,020.88

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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.