Home / 3,903,728.52-5,387,313.72-2,161,397.91

Finding the Fourth Proportional to 3,903,728.52, 5,387,313.72 and 2,161,397.91

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Solution

The fourth proportional to 3,903,728.52, 5,387,313.72 and 2,161,397.91 is: 2,982,822.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,903,728.52 : 5,387,313.72 = 2,161,397.91 : x
  2. Step 2: Convert to fraction form
    3,903,728.52/5,387,313.72 = 2,161,397.91/x
  3. Step 3: Cross multiply
    3,903,728.52x = 5,387,313.72 × 2,161,397.91
  4. Step 4: Simplify right side
    3,903,728.52x = 11,644,128,614,922.33
  5. Step 5: Solve for x
    x = 11,644,128,614,922.33/3,903,728.52
  6. Step 6: Final answer
    x = 2,982,822.33

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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.