Home / 5,542,139.60-8,311,135.80-1,946,517.20

Finding the Fourth Proportional to 5,542,139.60, 8,311,135.80 and 1,946,517.20

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Solution

The fourth proportional to 5,542,139.60, 8,311,135.80 and 1,946,517.20 is: 2,919,047.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,542,139.60 : 8,311,135.80 = 1,946,517.20 : x
  2. Step 2: Convert to fraction form
    5,542,139.60/8,311,135.80 = 1,946,517.20/x
  3. Step 3: Cross multiply
    5,542,139.60x = 8,311,135.80 × 1,946,517.20
  4. Step 4: Simplify right side
    5,542,139.60x = 16,177,768,786,235.76
  5. Step 5: Solve for x
    x = 16,177,768,786,235.76/5,542,139.60
  6. Step 6: Final answer
    x = 2,919,047.51

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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.