Home / 3,219,455.60-4,829,183.40-1,943,997.20

Finding the Fourth Proportional to 3,219,455.60, 4,829,183.40 and 1,943,997.20

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Solution

The fourth proportional to 3,219,455.60, 4,829,183.40 and 1,943,997.20 is: 2,915,995.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,219,455.60 : 4,829,183.40 = 1,943,997.20 : x
  2. Step 2: Convert to fraction form
    3,219,455.60/4,829,183.40 = 1,943,997.20/x
  3. Step 3: Cross multiply
    3,219,455.60x = 4,829,183.40 × 1,943,997.20
  4. Step 4: Simplify right side
    3,219,455.60x = 9,387,919,007,886.48
  5. Step 5: Solve for x
    x = 9,387,919,007,886.48/3,219,455.60
  6. Step 6: Final answer
    x = 2,915,995.80

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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.