Home / 3,872,004.87-5,343,496.56-2,129,747.97

Finding the Fourth Proportional to 3,872,004.87, 5,343,496.56 and 2,129,747.97

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Solution

The fourth proportional to 3,872,004.87, 5,343,496.56 and 2,129,747.97 is: 2,939,123.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,872,004.87 : 5,343,496.56 = 2,129,747.97 : x
  2. Step 2: Convert to fraction form
    3,872,004.87/5,343,496.56 = 2,129,747.97/x
  3. Step 3: Cross multiply
    3,872,004.87x = 5,343,496.56 × 2,129,747.97
  4. Step 4: Simplify right side
    3,872,004.87x = 11,380,300,951,361.98
  5. Step 5: Solve for x
    x = 11,380,300,951,361.98/3,872,004.87
  6. Step 6: Final answer
    x = 2,939,123.62

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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.