Home / 2,628,296.94-3,940,936.38-1,028,987.58

Finding the Fourth Proportional to 2,628,296.94, 3,940,936.38 and 1,028,987.58

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Solution

The fourth proportional to 2,628,296.94, 3,940,936.38 and 1,028,987.58 is: 1,542,890.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,628,296.94 : 3,940,936.38 = 1,028,987.58 : x
  2. Step 2: Convert to fraction form
    2,628,296.94/3,940,936.38 = 1,028,987.58/x
  3. Step 3: Cross multiply
    2,628,296.94x = 3,940,936.38 × 1,028,987.58
  4. Step 4: Simplify right side
    2,628,296.94x = 4,055,174,588,590.16
  5. Step 5: Solve for x
    x = 4,055,174,588,590.16/2,628,296.94
  6. Step 6: Final answer
    x = 1,542,890.58

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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.