Home / 2,413,171.20-3,620,793.60-1,231,219.20

Finding the Fourth Proportional to 2,413,171.20, 3,620,793.60 and 1,231,219.20

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Solution

The fourth proportional to 2,413,171.20, 3,620,793.60 and 1,231,219.20 is: 1,847,357.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,413,171.20 : 3,620,793.60 = 1,231,219.20 : x
  2. Step 2: Convert to fraction form
    2,413,171.20/3,620,793.60 = 1,231,219.20/x
  3. Step 3: Cross multiply
    2,413,171.20x = 3,620,793.60 × 1,231,219.20
  4. Step 4: Simplify right side
    2,413,171.20x = 4,457,990,599,557.12
  5. Step 5: Solve for x
    x = 4,457,990,599,557.12/2,413,171.20
  6. Step 6: Final answer
    x = 1,847,357.78

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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.