Home / 2,183,155.20-3,274,732.80-687,247.20

Finding the Fourth Proportional to 2,183,155.20, 3,274,732.80 and 687,247.20

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Solution

The fourth proportional to 2,183,155.20, 3,274,732.80 and 687,247.20 is: 1,030,870.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,183,155.20 : 3,274,732.80 = 687,247.20 : x
  2. Step 2: Convert to fraction form
    2,183,155.20/3,274,732.80 = 687,247.20/x
  3. Step 3: Cross multiply
    2,183,155.20x = 3,274,732.80 × 687,247.20
  4. Step 4: Simplify right side
    2,183,155.20x = 2,250,550,947,548.16
  5. Step 5: Solve for x
    x = 2,250,550,947,548.16/2,183,155.20
  6. Step 6: Final answer
    x = 1,030,870.80

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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.