Home / 2,151,255.20-3,222,217.20-1,778,007.20

Finding the Fourth Proportional to 2,151,255.20, 3,222,217.20 and 1,778,007.20

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Solution

The fourth proportional to 2,151,255.20, 3,222,217.20 and 1,778,007.20 is: 2,663,154.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,151,255.20 : 3,222,217.20 = 1,778,007.20 : x
  2. Step 2: Convert to fraction form
    2,151,255.20/3,222,217.20 = 1,778,007.20/x
  3. Step 3: Cross multiply
    2,151,255.20x = 3,222,217.20 × 1,778,007.20
  4. Step 4: Simplify right side
    2,151,255.20x = 5,729,125,381,563.84
  5. Step 5: Solve for x
    x = 5,729,125,381,563.84/2,151,255.20
  6. Step 6: Final answer
    x = 2,663,154.69

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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.