Home / 2,381,447.90-3,286,384.98-1,293,710.78

Finding the Fourth Proportional to 2,381,447.90, 3,286,384.98 and 1,293,710.78

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Solution

The fourth proportional to 2,381,447.90, 3,286,384.98 and 1,293,710.78 is: 1,785,313.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,381,447.90 : 3,286,384.98 = 1,293,710.78 : x
  2. Step 2: Convert to fraction form
    2,381,447.90/3,286,384.98 = 1,293,710.78/x
  3. Step 3: Cross multiply
    2,381,447.90x = 3,286,384.98 × 1,293,710.78
  4. Step 4: Simplify right side
    2,381,447.90x = 4,251,631,675,856.08
  5. Step 5: Solve for x
    x = 4,251,631,675,856.08/2,381,447.90
  6. Step 6: Final answer
    x = 1,785,313.75

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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.