Home / 3,141,738.68-4,712,513.84-867,401.90

Finding the Fourth Proportional to 3,141,738.68, 4,712,513.84 and 867,401.90

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Solution

The fourth proportional to 3,141,738.68, 4,712,513.84 and 867,401.90 is: 1,301,076.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,141,738.68 : 4,712,513.84 = 867,401.90 : x
  2. Step 2: Convert to fraction form
    3,141,738.68/4,712,513.84 = 867,401.90/x
  3. Step 3: Cross multiply
    3,141,738.68x = 4,712,513.84 × 867,401.90
  4. Step 4: Simplify right side
    3,141,738.68x = 4,087,643,458,592.30
  5. Step 5: Solve for x
    x = 4,087,643,458,592.30/3,141,738.68
  6. Step 6: Final answer
    x = 1,301,076.85

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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.