Home / 1,581,054.11-2,181,854.20-855,901.29

Finding the Fourth Proportional to 1,581,054.11, 2,181,854.20 and 855,901.29

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Solution

The fourth proportional to 1,581,054.11, 2,181,854.20 and 855,901.29 is: 1,181,143.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,581,054.11 : 2,181,854.20 = 855,901.29 : x
  2. Step 2: Convert to fraction form
    1,581,054.11/2,181,854.20 = 855,901.29/x
  3. Step 3: Cross multiply
    1,581,054.11x = 2,181,854.20 × 855,901.29
  4. Step 4: Simplify right side
    1,581,054.11x = 1,867,451,824,371.92
  5. Step 5: Solve for x
    x = 1,867,451,824,371.92/1,581,054.11
  6. Step 6: Final answer
    x = 1,181,143.52

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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.