Home / 2,455,128.97-3,388,183.13-1,367,400.83

Finding the Fourth Proportional to 2,455,128.97, 3,388,183.13 and 1,367,400.83

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Solution

The fourth proportional to 2,455,128.97, 3,388,183.13 and 1,367,400.83 is: 1,887,071.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,455,128.97 : 3,388,183.13 = 1,367,400.83 : x
  2. Step 2: Convert to fraction form
    2,455,128.97/3,388,183.13 = 1,367,400.83/x
  3. Step 3: Cross multiply
    2,455,128.97x = 3,388,183.13 × 1,367,400.83
  4. Step 4: Simplify right side
    2,455,128.97x = 4,633,004,410,631.58
  5. Step 5: Solve for x
    x = 4,633,004,410,631.58/2,455,128.97
  6. Step 6: Final answer
    x = 1,887,071.71

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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.