Home / 3,111,635.20-4,667,452.80-747,731.20

Finding the Fourth Proportional to 3,111,635.20, 4,667,452.80 and 747,731.20

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Solution

The fourth proportional to 3,111,635.20, 4,667,452.80 and 747,731.20 is: 1,121,596.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,111,635.20 : 4,667,452.80 = 747,731.20 : x
  2. Step 2: Convert to fraction form
    3,111,635.20/4,667,452.80 = 747,731.20/x
  3. Step 3: Cross multiply
    3,111,635.20x = 4,667,452.80 × 747,731.20
  4. Step 4: Simplify right side
    3,111,635.20x = 3,490,000,083,087.36
  5. Step 5: Solve for x
    x = 3,490,000,083,087.36/3,111,635.20
  6. Step 6: Final answer
    x = 1,121,596.80

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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.