Home / 2,379,007.73-3,283,033.99-1,291,279.54

Finding the Fourth Proportional to 2,379,007.73, 3,283,033.99 and 1,291,279.54

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Solution

The fourth proportional to 2,379,007.73, 3,283,033.99 and 1,291,279.54 is: 1,781,967.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,379,007.73 : 3,283,033.99 = 1,291,279.54 : x
  2. Step 2: Convert to fraction form
    2,379,007.73/3,283,033.99 = 1,291,279.54/x
  3. Step 3: Cross multiply
    2,379,007.73x = 3,283,033.99 × 1,291,279.54
  4. Step 4: Simplify right side
    2,379,007.73x = 4,239,314,603,996.39
  5. Step 5: Solve for x
    x = 4,239,314,603,996.39/2,379,007.73
  6. Step 6: Final answer
    x = 1,781,967.56

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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.