Home / 3,242,190.89-4,858,477.05-1,320,754.88

Finding the Fourth Proportional to 3,242,190.89, 4,858,477.05 and 1,320,754.88

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Solution

The fourth proportional to 3,242,190.89, 4,858,477.05 and 1,320,754.88 is: 1,979,173.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,242,190.89 : 4,858,477.05 = 1,320,754.88 : x
  2. Step 2: Convert to fraction form
    3,242,190.89/4,858,477.05 = 1,320,754.88/x
  3. Step 3: Cross multiply
    3,242,190.89x = 4,858,477.05 × 1,320,754.88
  4. Step 4: Simplify right side
    3,242,190.89x = 6,416,857,273,155.50
  5. Step 5: Solve for x
    x = 6,416,857,273,155.50/3,242,190.89
  6. Step 6: Final answer
    x = 1,979,173.19

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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.