Home / 2,188,042.28-3,019,293.70-1,270,027.88

Finding the Fourth Proportional to 2,188,042.28, 3,019,293.70 and 1,270,027.88

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Solution

The fourth proportional to 2,188,042.28, 3,019,293.70 and 1,270,027.88 is: 1,752,519.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,188,042.28 : 3,019,293.70 = 1,270,027.88 : x
  2. Step 2: Convert to fraction form
    2,188,042.28/3,019,293.70 = 1,270,027.88/x
  3. Step 3: Cross multiply
    2,188,042.28x = 3,019,293.70 × 1,270,027.88
  4. Step 4: Simplify right side
    2,188,042.28x = 3,834,587,176,908.36
  5. Step 5: Solve for x
    x = 3,834,587,176,908.36/2,188,042.28
  6. Step 6: Final answer
    x = 1,752,519.69

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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.