Home / 2,164,791.28-2,987,834.52-1,305,491.44

Finding the Fourth Proportional to 2,164,791.28, 2,987,834.52 and 1,305,491.44

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Solution

The fourth proportional to 2,164,791.28, 2,987,834.52 and 1,305,491.44 is: 1,801,833.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,164,791.28 : 2,987,834.52 = 1,305,491.44 : x
  2. Step 2: Convert to fraction form
    2,164,791.28/2,987,834.52 = 1,305,491.44/x
  3. Step 3: Cross multiply
    2,164,791.28x = 2,987,834.52 × 1,305,491.44
  4. Step 4: Simplify right side
    2,164,791.28x = 3,900,592,389,996.51
  5. Step 5: Solve for x
    x = 3,900,592,389,996.51/2,164,791.28
  6. Step 6: Final answer
    x = 1,801,833.01

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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.