Home / 3,212,183.87-4,432,801.87-1,988,245.72

Finding the Fourth Proportional to 3,212,183.87, 4,432,801.87 and 1,988,245.72

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Solution

The fourth proportional to 3,212,183.87, 4,432,801.87 and 1,988,245.72 is: 2,743,771.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,212,183.87 : 4,432,801.87 = 1,988,245.72 : x
  2. Step 2: Convert to fraction form
    3,212,183.87/4,432,801.87 = 1,988,245.72/x
  3. Step 3: Cross multiply
    3,212,183.87x = 4,432,801.87 × 1,988,245.72
  4. Step 4: Simplify right side
    3,212,183.87x = 8,813,499,345,635.50
  5. Step 5: Solve for x
    x = 8,813,499,345,635.50/3,212,183.87
  6. Step 6: Final answer
    x = 2,743,771.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.