Home / 2,661,197.70-3,991,796.55-1,313,568.30

Finding the Fourth Proportional to 2,661,197.70, 3,991,796.55 and 1,313,568.30

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Solution

The fourth proportional to 2,661,197.70, 3,991,796.55 and 1,313,568.30 is: 1,970,352.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,661,197.70 : 3,991,796.55 = 1,313,568.30 : x
  2. Step 2: Convert to fraction form
    2,661,197.70/3,991,796.55 = 1,313,568.30/x
  3. Step 3: Cross multiply
    2,661,197.70x = 3,991,796.55 × 1,313,568.30
  4. Step 4: Simplify right side
    2,661,197.70x = 5,243,497,408,129.37
  5. Step 5: Solve for x
    x = 5,243,497,408,129.37/2,661,197.70
  6. Step 6: Final answer
    x = 1,970,352.45

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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.