Home / 2,645,007.30-3,967,510.95-1,383,221.70

Finding the Fourth Proportional to 2,645,007.30, 3,967,510.95 and 1,383,221.70

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Solution

The fourth proportional to 2,645,007.30, 3,967,510.95 and 1,383,221.70 is: 2,074,832.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,645,007.30 : 3,967,510.95 = 1,383,221.70 : x
  2. Step 2: Convert to fraction form
    2,645,007.30/3,967,510.95 = 1,383,221.70/x
  3. Step 3: Cross multiply
    2,645,007.30x = 3,967,510.95 × 1,383,221.70
  4. Step 4: Simplify right side
    2,645,007.30x = 5,487,947,241,027.62
  5. Step 5: Solve for x
    x = 5,487,947,241,027.62/2,645,007.30
  6. Step 6: Final answer
    x = 2,074,832.55

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Similar ratio
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.