Home / 3,321,964.20-4,982,946.30-3,258,978.60

Finding the Fourth Proportional to 3,321,964.20, 4,982,946.30 and 3,258,978.60

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Solution

The fourth proportional to 3,321,964.20, 4,982,946.30 and 3,258,978.60 is: 4,888,467.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,321,964.20 : 4,982,946.30 = 3,258,978.60 : x
  2. Step 2: Convert to fraction form
    3,321,964.20/4,982,946.30 = 3,258,978.60/x
  3. Step 3: Cross multiply
    3,321,964.20x = 4,982,946.30 × 3,258,978.60
  4. Step 4: Simplify right side
    3,321,964.20x = 16,239,315,356,649.18
  5. Step 5: Solve for x
    x = 16,239,315,356,649.18/3,321,964.20
  6. Step 6: Final answer
    x = 4,888,467.90

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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.