Home / 3,111,631.20-4,667,446.80-747,727.20

Finding the Fourth Proportional to 3,111,631.20, 4,667,446.80 and 747,727.20

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Solution

The fourth proportional to 3,111,631.20, 4,667,446.80 and 747,727.20 is: 1,121,590.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,111,631.20 : 4,667,446.80 = 747,727.20 : x
  2. Step 2: Convert to fraction form
    3,111,631.20/4,667,446.80 = 747,727.20/x
  3. Step 3: Cross multiply
    3,111,631.20x = 4,667,446.80 × 747,727.20
  4. Step 4: Simplify right side
    3,111,631.20x = 3,489,976,926,912.96
  5. Step 5: Solve for x
    x = 3,489,976,926,912.96/3,111,631.20
  6. Step 6: Final answer
    x = 1,121,590.80

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1.5x scale

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.