Home / 2,947,447.76-4,421,171.25-817,531.87

Finding the Fourth Proportional to 2,947,447.76, 4,421,171.25 and 817,531.87

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Solution

The fourth proportional to 2,947,447.76, 4,421,171.25 and 817,531.87 is: 1,226,297.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,947,447.76 : 4,421,171.25 = 817,531.87 : x
  2. Step 2: Convert to fraction form
    2,947,447.76/4,421,171.25 = 817,531.87/x
  3. Step 3: Cross multiply
    2,947,447.76x = 4,421,171.25 × 817,531.87
  4. Step 4: Simplify right side
    2,947,447.76x = 3,614,448,377,496.88
  5. Step 5: Solve for x
    x = 3,614,448,377,496.88/2,947,447.76
  6. Step 6: Final answer
    x = 1,226,297.69

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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.