Home / 5,228,987.35-7,216,177.78-2,905,977.82

Finding the Fourth Proportional to 5,228,987.35, 7,216,177.78 and 2,905,977.82

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Solution

The fourth proportional to 5,228,987.35, 7,216,177.78 and 2,905,977.82 is: 4,010,346.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,228,987.35 : 7,216,177.78 = 2,905,977.82 : x
  2. Step 2: Convert to fraction form
    5,228,987.35/7,216,177.78 = 2,905,977.82/x
  3. Step 3: Cross multiply
    5,228,987.35x = 7,216,177.78 × 2,905,977.82
  4. Step 4: Simplify right side
    5,228,987.35x = 20,970,052,573,856.84
  5. Step 5: Solve for x
    x = 20,970,052,573,856.84/5,228,987.35
  6. Step 6: Final answer
    x = 4,010,346.78

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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.