Home / 2,228,217.28-3,074,977.20-1,209,622

Finding the Fourth Proportional to 2,228,217.28, 3,074,977.20 and 1,209,622

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Solution

The fourth proportional to 2,228,217.28, 3,074,977.20 and 1,209,622 is: 1,669,298.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,228,217.28 : 3,074,977.20 = 1,209,622 : x
  2. Step 2: Convert to fraction form
    2,228,217.28/3,074,977.20 = 1,209,622/x
  3. Step 3: Cross multiply
    2,228,217.28x = 3,074,977.20 × 1,209,622
  4. Step 4: Simplify right side
    2,228,217.28x = 3,719,560,070,618.40
  5. Step 5: Solve for x
    x = 3,719,560,070,618.40/2,228,217.28
  6. Step 6: Final answer
    x = 1,669,298.64

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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.