Home / 2,221,874.28-3,066,179.94-1,203,278.76

Finding the Fourth Proportional to 2,221,874.28, 3,066,179.94 and 1,203,278.76

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Solution

The fourth proportional to 2,221,874.28, 3,066,179.94 and 1,203,278.76 is: 1,660,521.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,221,874.28 : 3,066,179.94 = 1,203,278.76 : x
  2. Step 2: Convert to fraction form
    2,221,874.28/3,066,179.94 = 1,203,278.76/x
  3. Step 3: Cross multiply
    2,221,874.28x = 3,066,179.94 × 1,203,278.76
  4. Step 4: Simplify right side
    2,221,874.28x = 3,689,469,196,140.07
  5. Step 5: Solve for x
    x = 3,689,469,196,140.07/2,221,874.28
  6. Step 6: Final answer
    x = 1,660,521.13

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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.