Home / 2,485,356.40-3,722,785.80-2,219,417.20

Finding the Fourth Proportional to 2,485,356.40, 3,722,785.80 and 2,219,417.20

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Solution

The fourth proportional to 2,485,356.40, 3,722,785.80 and 2,219,417.20 is: 3,324,438.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,485,356.40 : 3,722,785.80 = 2,219,417.20 : x
  2. Step 2: Convert to fraction form
    2,485,356.40/3,722,785.80 = 2,219,417.20/x
  3. Step 3: Cross multiply
    2,485,356.40x = 3,722,785.80 × 2,219,417.20
  4. Step 4: Simplify right side
    2,485,356.40x = 8,262,414,836,435.76
  5. Step 5: Solve for x
    x = 8,262,414,836,435.76/2,485,356.40
  6. Step 6: Final answer
    x = 3,324,438.63

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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.