Home / 2,109,149.12-3,164,262.96-613,241.12

Finding the Fourth Proportional to 2,109,149.12, 3,164,262.96 and 613,241.12

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Solution

The fourth proportional to 2,109,149.12, 3,164,262.96 and 613,241.12 is: 920,018.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,109,149.12 : 3,164,262.96 = 613,241.12 : x
  2. Step 2: Convert to fraction form
    2,109,149.12/3,164,262.96 = 613,241.12/x
  3. Step 3: Cross multiply
    2,109,149.12x = 3,164,262.96 × 613,241.12
  4. Step 4: Simplify right side
    2,109,149.12x = 1,940,456,161,564.92
  5. Step 5: Solve for x
    x = 1,940,456,161,564.92/2,109,149.12
  6. Step 6: Final answer
    x = 920,018.48

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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.