Home / 3,987,908.03-5,503,285.09-2,177,072.03

Finding the Fourth Proportional to 3,987,908.03, 5,503,285.09 and 2,177,072.03

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Solution

The fourth proportional to 3,987,908.03, 5,503,285.09 and 2,177,072.03 is: 3,004,344.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,987,908.03 : 5,503,285.09 = 2,177,072.03 : x
  2. Step 2: Convert to fraction form
    3,987,908.03/5,503,285.09 = 2,177,072.03/x
  3. Step 3: Cross multiply
    3,987,908.03x = 5,503,285.09 × 2,177,072.03
  4. Step 4: Simplify right side
    3,987,908.03x = 11,981,048,059,034.59
  5. Step 5: Solve for x
    x = 11,981,048,059,034.59/3,987,908.03
  6. Step 6: Final answer
    x = 3,004,344.12

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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.