Home / 2,378,120.36-3,567,171.02-861,448.36

Finding the Fourth Proportional to 2,378,120.36, 3,567,171.02 and 861,448.36

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Solution

The fourth proportional to 2,378,120.36, 3,567,171.02 and 861,448.36 is: 1,292,169.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,378,120.36 : 3,567,171.02 = 861,448.36 : x
  2. Step 2: Convert to fraction form
    2,378,120.36/3,567,171.02 = 861,448.36/x
  3. Step 3: Cross multiply
    2,378,120.36x = 3,567,171.02 × 861,448.36
  4. Step 4: Simplify right side
    2,378,120.36x = 3,072,933,625,018.53
  5. Step 5: Solve for x
    x = 3,072,933,625,018.53/2,378,120.36
  6. Step 6: Final answer
    x = 1,292,169.09

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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.