Home / 3,118,964.20-4,677,790.20-1,321,906.30

Finding the Fourth Proportional to 3,118,964.20, 4,677,790.20 and 1,321,906.30

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Solution

The fourth proportional to 3,118,964.20, 4,677,790.20 and 1,321,906.30 is: 1,982,581.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,118,964.20 : 4,677,790.20 = 1,321,906.30 : x
  2. Step 2: Convert to fraction form
    3,118,964.20/4,677,790.20 = 1,321,906.30/x
  3. Step 3: Cross multiply
    3,118,964.20x = 4,677,790.20 × 1,321,906.30
  4. Step 4: Simplify right side
    3,118,964.20x = 6,183,600,335,458.26
  5. Step 5: Solve for x
    x = 6,183,600,335,458.26/3,118,964.20
  6. Step 6: Final answer
    x = 1,982,581.38

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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.