Home / 2,144,631.13-3,215,965.68-1,280,458.33

Finding the Fourth Proportional to 2,144,631.13, 3,215,965.68 and 1,280,458.33

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Solution

The fourth proportional to 2,144,631.13, 3,215,965.68 and 1,280,458.33 is: 1,920,101.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,144,631.13 : 3,215,965.68 = 1,280,458.33 : x
  2. Step 2: Convert to fraction form
    2,144,631.13/3,215,965.68 = 1,280,458.33/x
  3. Step 3: Cross multiply
    2,144,631.13x = 3,215,965.68 × 1,280,458.33
  4. Step 4: Simplify right side
    2,144,631.13x = 4,117,910,035,910.20
  5. Step 5: Solve for x
    x = 4,117,910,035,910.20/2,144,631.13
  6. Step 6: Final answer
    x = 1,920,101.78

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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.