Home / 2,667,449.21-4,001,590.49-869,914.62

Finding the Fourth Proportional to 2,667,449.21, 4,001,590.49 and 869,914.62

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Solution

The fourth proportional to 2,667,449.21, 4,001,590.49 and 869,914.62 is: 1,305,007.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,667,449.21 : 4,001,590.49 = 869,914.62 : x
  2. Step 2: Convert to fraction form
    2,667,449.21/4,001,590.49 = 869,914.62/x
  3. Step 3: Cross multiply
    2,667,449.21x = 4,001,590.49 × 869,914.62
  4. Step 4: Simplify right side
    2,667,449.21x = 3,481,042,066,154.39
  5. Step 5: Solve for x
    x = 3,481,042,066,154.39/2,667,449.21
  6. Step 6: Final answer
    x = 1,305,007.82

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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.