Home / 3,987,943.60-5,967,918.60-2,728,231.60

Finding the Fourth Proportional to 3,987,943.60, 5,967,918.60 and 2,728,231.60

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Solution

The fourth proportional to 3,987,943.60, 5,967,918.60 and 2,728,231.60 is: 4,082,771.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,987,943.60 : 5,967,918.60 = 2,728,231.60 : x
  2. Step 2: Convert to fraction form
    3,987,943.60/5,967,918.60 = 2,728,231.60/x
  3. Step 3: Cross multiply
    3,987,943.60x = 5,967,918.60 × 2,728,231.60
  4. Step 4: Simplify right side
    3,987,943.60x = 16,281,864,110,747.76
  5. Step 5: Solve for x
    x = 16,281,864,110,747.76/3,987,943.60
  6. Step 6: Final answer
    x = 4,082,771.91

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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.