Home / 3,142,422.36-4,712,773.28-867,402.90

Finding the Fourth Proportional to 3,142,422.36, 4,712,773.28 and 867,402.90

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Solution

The fourth proportional to 3,142,422.36, 4,712,773.28 and 867,402.90 is: 1,300,866.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,142,422.36 : 4,712,773.28 = 867,402.90 : x
  2. Step 2: Convert to fraction form
    3,142,422.36/4,712,773.28 = 867,402.90/x
  3. Step 3: Cross multiply
    3,142,422.36x = 4,712,773.28 × 867,402.90
  4. Step 4: Simplify right side
    3,142,422.36x = 4,087,873,205,777.50
  5. Step 5: Solve for x
    x = 4,087,873,205,777.50/3,142,422.36
  6. Step 6: Final answer
    x = 1,300,866.89

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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.