Home / 3,987,918.16-5,503,299.06-2,177,082.16

Finding the Fourth Proportional to 3,987,918.16, 5,503,299.06 and 2,177,082.16

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Solution

The fourth proportional to 3,987,918.16, 5,503,299.06 and 2,177,082.16 is: 3,004,358.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,987,918.16 : 5,503,299.06 = 2,177,082.16 : x
  2. Step 2: Convert to fraction form
    3,987,918.16/5,503,299.06 = 2,177,082.16/x
  3. Step 3: Cross multiply
    3,987,918.16x = 5,503,299.06 × 2,177,082.16
  4. Step 4: Simplify right side
    3,987,918.16x = 11,981,134,199,076.58
  5. Step 5: Solve for x
    x = 11,981,134,199,076.58/3,987,918.16
  6. Step 6: Final answer
    x = 3,004,358.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.