Home / 3,847,128.53-5,308,997.45-2,104,781.45

Finding the Fourth Proportional to 3,847,128.53, 5,308,997.45 and 2,104,781.45

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Solution

The fourth proportional to 3,847,128.53, 5,308,997.45 and 2,104,781.45 is: 2,904,576.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,847,128.53 : 5,308,997.45 = 2,104,781.45 : x
  2. Step 2: Convert to fraction form
    3,847,128.53/5,308,997.45 = 2,104,781.45/x
  3. Step 3: Cross multiply
    3,847,128.53x = 5,308,997.45 × 2,104,781.45
  4. Step 4: Simplify right side
    3,847,128.53x = 11,174,279,313,788.41
  5. Step 5: Solve for x
    x = 11,174,279,313,788.41/3,847,128.53
  6. Step 6: Final answer
    x = 2,904,576.55

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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.