Home / 2,295,745.12-3,167,272.56-1,435,978.72

Finding the Fourth Proportional to 2,295,745.12, 3,167,272.56 and 1,435,978.72

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Solution

The fourth proportional to 2,295,745.12, 3,167,272.56 and 1,435,978.72 is: 1,981,115.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,295,745.12 : 3,167,272.56 = 1,435,978.72 : x
  2. Step 2: Convert to fraction form
    2,295,745.12/3,167,272.56 = 1,435,978.72/x
  3. Step 3: Cross multiply
    2,295,745.12x = 3,167,272.56 × 1,435,978.72
  4. Step 4: Simplify right side
    2,295,745.12x = 4,548,135,996,599.92
  5. Step 5: Solve for x
    x = 4,548,135,996,599.92/2,295,745.12
  6. Step 6: Final answer
    x = 1,981,115.39

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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.