Home / 3,505,679.12-5,259,099.72-1,230,613.22

Finding the Fourth Proportional to 3,505,679.12, 5,259,099.72 and 1,230,613.22

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Solution

The fourth proportional to 3,505,679.12, 5,259,099.72 and 1,230,613.22 is: 1,846,123.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,505,679.12 : 5,259,099.72 = 1,230,613.22 : x
  2. Step 2: Convert to fraction form
    3,505,679.12/5,259,099.72 = 1,230,613.22/x
  3. Step 3: Cross multiply
    3,505,679.12x = 5,259,099.72 × 1,230,613.22
  4. Step 4: Simplify right side
    3,505,679.12x = 6,471,917,640,730.30
  5. Step 5: Solve for x
    x = 6,471,917,640,730.30/3,505,679.12
  6. Step 6: Final answer
    x = 1,846,123.79

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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.