Home / 4,667,998.20-7,001,997.30-1,122,142.20

Finding the Fourth Proportional to 4,667,998.20, 7,001,997.30 and 1,122,142.20

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Solution

The fourth proportional to 4,667,998.20, 7,001,997.30 and 1,122,142.20 is: 1,683,213.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,667,998.20 : 7,001,997.30 = 1,122,142.20 : x
  2. Step 2: Convert to fraction form
    4,667,998.20/7,001,997.30 = 1,122,142.20/x
  3. Step 3: Cross multiply
    4,667,998.20x = 7,001,997.30 × 1,122,142.20
  4. Step 4: Simplify right side
    4,667,998.20x = 7,857,236,654,616.06
  5. Step 5: Solve for x
    x = 7,857,236,654,616.06/4,667,998.20
  6. Step 6: Final answer
    x = 1,683,213.30

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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.