Home / 5,438,956.82-7,505,775.36-2,991,818.57

Finding the Fourth Proportional to 5,438,956.82, 7,505,775.36 and 2,991,818.57

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Solution

The fourth proportional to 5,438,956.82, 7,505,775.36 and 2,991,818.57 is: 4,128,717.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,438,956.82 : 7,505,775.36 = 2,991,818.57 : x
  2. Step 2: Convert to fraction form
    5,438,956.82/7,505,775.36 = 2,991,818.57/x
  3. Step 3: Cross multiply
    5,438,956.82x = 7,505,775.36 × 2,991,818.57
  4. Step 4: Simplify right side
    5,438,956.82x = 22,455,918,066,767.56
  5. Step 5: Solve for x
    x = 22,455,918,066,767.56/5,438,956.82
  6. Step 6: Final answer
    x = 4,128,717.85

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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.