Home / 3,242,188.89-4,858,474.05-1,320,752.88

Finding the Fourth Proportional to 3,242,188.89, 4,858,474.05 and 1,320,752.88

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Solution

The fourth proportional to 3,242,188.89, 4,858,474.05 and 1,320,752.88 is: 1,979,170.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,242,188.89 : 4,858,474.05 = 1,320,752.88 : x
  2. Step 2: Convert to fraction form
    3,242,188.89/4,858,474.05 = 1,320,752.88/x
  3. Step 3: Cross multiply
    3,242,188.89x = 4,858,474.05 × 1,320,752.88
  4. Step 4: Simplify right side
    3,242,188.89x = 6,416,843,593,942.76
  5. Step 5: Solve for x
    x = 6,416,843,593,942.76/3,242,188.89
  6. Step 6: Final answer
    x = 1,979,170.19

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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.