Home / 2,218,667.45-3,329,889.58-871,771.91

Finding the Fourth Proportional to 2,218,667.45, 3,329,889.58 and 871,771.91

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Solution

The fourth proportional to 2,218,667.45, 3,329,889.58 and 871,771.91 is: 1,308,399.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,218,667.45 : 3,329,889.58 = 871,771.91 : x
  2. Step 2: Convert to fraction form
    2,218,667.45/3,329,889.58 = 871,771.91/x
  3. Step 3: Cross multiply
    2,218,667.45x = 3,329,889.58 × 871,771.91
  4. Step 4: Simplify right side
    2,218,667.45x = 2,902,904,183,685.97
  5. Step 5: Solve for x
    x = 2,902,904,183,685.97/2,218,667.45
  6. Step 6: Final answer
    x = 1,308,399.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.