Home / 5,438,946.76-7,505,761.50-2,991,808.56

Finding the Fourth Proportional to 5,438,946.76, 7,505,761.50 and 2,991,808.56

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Solution

The fourth proportional to 5,438,946.76, 7,505,761.50 and 2,991,808.56 is: 4,128,704.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,438,946.76 : 7,505,761.50 = 2,991,808.56 : x
  2. Step 2: Convert to fraction form
    5,438,946.76/7,505,761.50 = 2,991,808.56/x
  3. Step 3: Cross multiply
    5,438,946.76x = 7,505,761.50 × 2,991,808.56
  4. Step 4: Simplify right side
    5,438,946.76x = 22,455,801,505,018.44
  5. Step 5: Solve for x
    x = 22,455,801,505,018.44/5,438,946.76
  6. Step 6: Final answer
    x = 4,128,704.05

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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.