Home / 3,642,857.03-5,022,469.76-2,987,066.86

Finding the Fourth Proportional to 3,642,857.03, 5,022,469.76 and 2,987,066.86

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Solution

The fourth proportional to 3,642,857.03, 5,022,469.76 and 2,987,066.86 is: 4,118,320.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,642,857.03 : 5,022,469.76 = 2,987,066.86 : x
  2. Step 2: Convert to fraction form
    3,642,857.03/5,022,469.76 = 2,987,066.86/x
  3. Step 3: Cross multiply
    3,642,857.03x = 5,022,469.76 × 2,987,066.86
  4. Step 4: Simplify right side
    3,642,857.03x = 15,002,452,975,448.15
  5. Step 5: Solve for x
    x = 15,002,452,975,448.15/3,642,857.03
  6. Step 6: Final answer
    x = 4,118,320.55

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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.