Home / 2,521,215.75-3,781,856.54-838,319.25

Finding the Fourth Proportional to 2,521,215.75, 3,781,856.54 and 838,319.25

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Solution

The fourth proportional to 2,521,215.75, 3,781,856.54 and 838,319.25 is: 1,257,489.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,521,215.75 : 3,781,856.54 = 838,319.25 : x
  2. Step 2: Convert to fraction form
    2,521,215.75/3,781,856.54 = 838,319.25/x
  3. Step 3: Cross multiply
    2,521,215.75x = 3,781,856.54 × 838,319.25
  4. Step 4: Simplify right side
    2,521,215.75x = 3,170,403,134,028.80
  5. Step 5: Solve for x
    x = 3,170,403,134,028.80/2,521,215.75
  6. Step 6: Final answer
    x = 1,257,489.82

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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.