Home / 3,187,180.08-4,780,372.20-1,292,100.72

Finding the Fourth Proportional to 3,187,180.08, 4,780,372.20 and 1,292,100.72

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Solution

The fourth proportional to 3,187,180.08, 4,780,372.20 and 1,292,100.72 is: 1,937,989.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,187,180.08 : 4,780,372.20 = 1,292,100.72 : x
  2. Step 2: Convert to fraction form
    3,187,180.08/4,780,372.20 = 1,292,100.72/x
  3. Step 3: Cross multiply
    3,187,180.08x = 4,780,372.20 × 1,292,100.72
  4. Step 4: Simplify right side
    3,187,180.08x = 6,176,722,361,487.99
  5. Step 5: Solve for x
    x = 6,176,722,361,487.99/3,187,180.08
  6. Step 6: Final answer
    x = 1,937,989.76

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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.