Home / 1,945,481.81-2,665,297.65-1,872,730.09

Finding the Fourth Proportional to 1,945,481.81, 2,665,297.65 and 1,872,730.09

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Solution

The fourth proportional to 1,945,481.81, 2,665,297.65 and 1,872,730.09 is: 2,565,628.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,945,481.81 : 2,665,297.65 = 1,872,730.09 : x
  2. Step 2: Convert to fraction form
    1,945,481.81/2,665,297.65 = 1,872,730.09/x
  3. Step 3: Cross multiply
    1,945,481.81x = 2,665,297.65 × 1,872,730.09
  4. Step 4: Simplify right side
    1,945,481.81x = 4,991,383,107,781.54
  5. Step 5: Solve for x
    x = 4,991,383,107,781.54/1,945,481.81
  6. Step 6: Final answer
    x = 2,565,628.26

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.