Home / 2,379,021.36-3,283,052.72-1,291,293.15

Finding the Fourth Proportional to 2,379,021.36, 3,283,052.72 and 1,291,293.15

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Solution

The fourth proportional to 2,379,021.36, 3,283,052.72 and 1,291,293.15 is: 1,781,986.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,379,021.36 : 3,283,052.72 = 1,291,293.15 : x
  2. Step 2: Convert to fraction form
    2,379,021.36/3,283,052.72 = 1,291,293.15/x
  3. Step 3: Cross multiply
    2,379,021.36x = 3,283,052.72 × 1,291,293.15
  4. Step 4: Simplify right side
    2,379,021.36x = 4,239,383,481,968.40
  5. Step 5: Solve for x
    x = 4,239,383,481,968.40/2,379,021.36
  6. Step 6: Final answer
    x = 1,781,986.30

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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.