Home / 2,253,009.28-3,109,033.92-1,286,101.12

Finding the Fourth Proportional to 2,253,009.28, 3,109,033.92 and 1,286,101.12

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Solution

The fourth proportional to 2,253,009.28, 3,109,033.92 and 1,286,101.12 is: 1,774,751.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,253,009.28 : 3,109,033.92 = 1,286,101.12 : x
  2. Step 2: Convert to fraction form
    2,253,009.28/3,109,033.92 = 1,286,101.12/x
  3. Step 3: Cross multiply
    2,253,009.28x = 3,109,033.92 × 1,286,101.12
  4. Step 4: Simplify right side
    2,253,009.28x = 3,998,532,006,629.99
  5. Step 5: Solve for x
    x = 3,998,532,006,629.99/2,253,009.28
  6. Step 6: Final answer
    x = 1,774,751.68

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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.