Home / 2,079,498.80-3,119,248.20-1,271,183.60

Finding the Fourth Proportional to 2,079,498.80, 3,119,248.20 and 1,271,183.60

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Solution

The fourth proportional to 2,079,498.80, 3,119,248.20 and 1,271,183.60 is: 1,906,775.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,079,498.80 : 3,119,248.20 = 1,271,183.60 : x
  2. Step 2: Convert to fraction form
    2,079,498.80/3,119,248.20 = 1,271,183.60/x
  3. Step 3: Cross multiply
    2,079,498.80x = 3,119,248.20 × 1,271,183.60
  4. Step 4: Simplify right side
    2,079,498.80x = 3,965,137,156,169.52
  5. Step 5: Solve for x
    x = 3,965,137,156,169.52/2,079,498.80
  6. Step 6: Final answer
    x = 1,906,775.40

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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.