Home / 2,667,717.20-3,998,854.20-1,317,803.60

Finding the Fourth Proportional to 2,667,717.20, 3,998,854.20 and 1,317,803.60

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Solution

The fourth proportional to 2,667,717.20, 3,998,854.20 and 1,317,803.60 is: 1,975,360.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,667,717.20 : 3,998,854.20 = 1,317,803.60 : x
  2. Step 2: Convert to fraction form
    2,667,717.20/3,998,854.20 = 1,317,803.60/x
  3. Step 3: Cross multiply
    2,667,717.20x = 3,998,854.20 × 1,317,803.60
  4. Step 4: Simplify right side
    2,667,717.20x = 5,269,704,460,635.12
  5. Step 5: Solve for x
    x = 5,269,704,460,635.12/2,667,717.20
  6. Step 6: Final answer
    x = 1,975,360.98

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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.