Home / 3,149,107.20-4,723,660.80-1,155,340.80

Finding the Fourth Proportional to 3,149,107.20, 4,723,660.80 and 1,155,340.80

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Solution

The fourth proportional to 3,149,107.20, 4,723,660.80 and 1,155,340.80 is: 1,733,011.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,149,107.20 : 4,723,660.80 = 1,155,340.80 : x
  2. Step 2: Convert to fraction form
    3,149,107.20/4,723,660.80 = 1,155,340.80/x
  3. Step 3: Cross multiply
    3,149,107.20x = 4,723,660.80 × 1,155,340.80
  4. Step 4: Simplify right side
    3,149,107.20x = 5,457,438,047,600.64
  5. Step 5: Solve for x
    x = 5,457,438,047,600.64/3,149,107.20
  6. Step 6: Final answer
    x = 1,733,011.20

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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.