Home / 3,242,191.89-4,858,478.55-1,320,755.88

Finding the Fourth Proportional to 3,242,191.89, 4,858,478.55 and 1,320,755.88

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Solution

The fourth proportional to 3,242,191.89, 4,858,478.55 and 1,320,755.88 is: 1,979,174.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,242,191.89 : 4,858,478.55 = 1,320,755.88 : x
  2. Step 2: Convert to fraction form
    3,242,191.89/4,858,478.55 = 1,320,755.88/x
  3. Step 3: Cross multiply
    3,242,191.89x = 4,858,478.55 × 1,320,755.88
  4. Step 4: Simplify right side
    3,242,191.89x = 6,416,864,112,766.37
  5. Step 5: Solve for x
    x = 6,416,864,112,766.37/3,242,191.89
  6. Step 6: Final answer
    x = 1,979,174.69

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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.