Home / 3,111,632.20-4,667,448.30-747,728.20

Finding the Fourth Proportional to 3,111,632.20, 4,667,448.30 and 747,728.20

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Solution

The fourth proportional to 3,111,632.20, 4,667,448.30 and 747,728.20 is: 1,121,592.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,111,632.20 : 4,667,448.30 = 747,728.20 : x
  2. Step 2: Convert to fraction form
    3,111,632.20/4,667,448.30 = 747,728.20/x
  3. Step 3: Cross multiply
    3,111,632.20x = 4,667,448.30 × 747,728.20
  4. Step 4: Simplify right side
    3,111,632.20x = 3,489,982,715,952.06
  5. Step 5: Solve for x
    x = 3,489,982,715,952.06/3,111,632.20
  6. Step 6: Final answer
    x = 1,121,592.30

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Double scale
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Similar ratio
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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.