Home / 3,963,429.78-5,469,561.09-2,152,593.78

Finding the Fourth Proportional to 3,963,429.78, 5,469,561.09 and 2,152,593.78

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Solution

The fourth proportional to 3,963,429.78, 5,469,561.09 and 2,152,593.78 is: 2,970,594.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,963,429.78 : 5,469,561.09 = 2,152,593.78 : x
  2. Step 2: Convert to fraction form
    3,963,429.78/5,469,561.09 = 2,152,593.78/x
  3. Step 3: Cross multiply
    3,963,429.78x = 5,469,561.09 × 2,152,593.78
  4. Step 4: Simplify right side
    3,963,429.78x = 11,773,743,181,664.02
  5. Step 5: Solve for x
    x = 11,773,743,181,664.02/3,963,429.78
  6. Step 6: Final answer
    x = 2,970,594.62

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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.