Home / 2,206,013.28-3,043,826.04-1,287,825.72

Finding the Fourth Proportional to 2,206,013.28, 3,043,826.04 and 1,287,825.72

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Solution

The fourth proportional to 2,206,013.28, 3,043,826.04 and 1,287,825.72 is: 1,776,923.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,206,013.28 : 3,043,826.04 = 1,287,825.72 : x
  2. Step 2: Convert to fraction form
    2,206,013.28/3,043,826.04 = 1,287,825.72/x
  3. Step 3: Cross multiply
    2,206,013.28x = 3,043,826.04 × 1,287,825.72
  4. Step 4: Simplify right side
    2,206,013.28x = 3,919,917,461,517.75
  5. Step 5: Solve for x
    x = 3,919,917,461,517.75/2,206,013.28
  6. Step 6: Final answer
    x = 1,776,923.78

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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.