Home / 3,505,273.60-5,257,910.40-1,375,427.20

Finding the Fourth Proportional to 3,505,273.60, 5,257,910.40 and 1,375,427.20

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Solution

The fourth proportional to 3,505,273.60, 5,257,910.40 and 1,375,427.20 is: 2,063,140.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,505,273.60 : 5,257,910.40 = 1,375,427.20 : x
  2. Step 2: Convert to fraction form
    3,505,273.60/5,257,910.40 = 1,375,427.20/x
  3. Step 3: Cross multiply
    3,505,273.60x = 5,257,910.40 × 1,375,427.20
  4. Step 4: Simplify right side
    3,505,273.60x = 7,231,872,979,322.88
  5. Step 5: Solve for x
    x = 7,231,872,979,322.88/3,505,273.60
  6. Step 6: Final answer
    x = 2,063,140.80

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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.