Home / 3,825,378-5,279,021.64-2,106,494.42

Finding the Fourth Proportional to 3,825,378, 5,279,021.64 and 2,106,494.42

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Solution

The fourth proportional to 3,825,378, 5,279,021.64 and 2,106,494.42 is: 2,906,962.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,825,378 : 5,279,021.64 = 2,106,494.42 : x
  2. Step 2: Convert to fraction form
    3,825,378/5,279,021.64 = 2,106,494.42/x
  3. Step 3: Cross multiply
    3,825,378x = 5,279,021.64 × 2,106,494.42
  4. Step 4: Simplify right side
    3,825,378x = 11,120,229,601,324.14
  5. Step 5: Solve for x
    x = 11,120,229,601,324.14/3,825,378
  6. Step 6: Final answer
    x = 2,906,962.29

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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.