Home / 2,144,629-3,214,972.12-929,443.72

Finding the Fourth Proportional to 2,144,629, 3,214,972.12 and 929,443.72

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Solution

The fourth proportional to 2,144,629, 3,214,972.12 and 929,443.72 is: 1,393,311.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,144,629 : 3,214,972.12 = 929,443.72 : x
  2. Step 2: Convert to fraction form
    2,144,629/3,214,972.12 = 929,443.72/x
  3. Step 3: Cross multiply
    2,144,629x = 3,214,972.12 × 929,443.72
  4. Step 4: Simplify right side
    2,144,629x = 2,988,135,646,909.09
  5. Step 5: Solve for x
    x = 2,988,135,646,909.09/2,144,629
  6. Step 6: Final answer
    x = 1,393,311.22

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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.