Home / 2,165,667.21-3,251,694.29-1,207,993.95

Finding the Fourth Proportional to 2,165,667.21, 3,251,694.29 and 1,207,993.95

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Solution

The fourth proportional to 2,165,667.21, 3,251,694.29 and 1,207,993.95 is: 1,813,772.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,165,667.21 : 3,251,694.29 = 1,207,993.95 : x
  2. Step 2: Convert to fraction form
    2,165,667.21/3,251,694.29 = 1,207,993.95/x
  3. Step 3: Cross multiply
    2,165,667.21x = 3,251,694.29 × 1,207,993.95
  4. Step 4: Simplify right side
    2,165,667.21x = 3,928,027,023,529.58
  5. Step 5: Solve for x
    x = 3,928,027,023,529.58/2,165,667.21
  6. Step 6: Final answer
    x = 1,813,772.22

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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.