Home / 3,407,119.70-5,110,679.55-2,147,407.70

Finding the Fourth Proportional to 3,407,119.70, 5,110,679.55 and 2,147,407.70

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Solution

The fourth proportional to 3,407,119.70, 5,110,679.55 and 2,147,407.70 is: 3,221,111.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,407,119.70 : 5,110,679.55 = 2,147,407.70 : x
  2. Step 2: Convert to fraction form
    3,407,119.70/5,110,679.55 = 2,147,407.70/x
  3. Step 3: Cross multiply
    3,407,119.70x = 5,110,679.55 × 2,147,407.70
  4. Step 4: Simplify right side
    3,407,119.70x = 10,974,712,617,902.54
  5. Step 5: Solve for x
    x = 10,974,712,617,902.54/3,407,119.70
  6. Step 6: Final answer
    x = 3,221,111.55

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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.