Home / 5,438,691.58-7,505,608.52-2,991,530.33

Finding the Fourth Proportional to 5,438,691.58, 7,505,608.52 and 2,991,530.33

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Solution

The fourth proportional to 5,438,691.58, 7,505,608.52 and 2,991,530.33 is: 4,128,429.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,438,691.58 : 7,505,608.52 = 2,991,530.33 : x
  2. Step 2: Convert to fraction form
    5,438,691.58/7,505,608.52 = 2,991,530.33/x
  3. Step 3: Cross multiply
    5,438,691.58x = 7,505,608.52 × 2,991,530.33
  4. Step 4: Simplify right side
    5,438,691.58x = 22,453,255,524,714.41
  5. Step 5: Solve for x
    x = 22,453,255,524,714.41/5,438,691.58
  6. Step 6: Final answer
    x = 4,128,429.64

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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.