Home / 2,169,372.47-3,251,224.70-1,209,789.77

Finding the Fourth Proportional to 2,169,372.47, 3,251,224.70 and 1,209,789.77

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Solution

The fourth proportional to 2,169,372.47, 3,251,224.70 and 1,209,789.77 is: 1,813,104.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,169,372.47 : 3,251,224.70 = 1,209,789.77 : x
  2. Step 2: Convert to fraction form
    2,169,372.47/3,251,224.70 = 1,209,789.77/x
  3. Step 3: Cross multiply
    2,169,372.47x = 3,251,224.70 × 1,209,789.77
  4. Step 4: Simplify right side
    2,169,372.47x = 3,933,298,359,726.25
  5. Step 5: Solve for x
    x = 3,933,298,359,726.25/2,169,372.47
  6. Step 6: Final answer
    x = 1,813,104.21

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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.