Home / 2,172,846.76-2,998,668.66-1,205,977.12

Finding the Fourth Proportional to 2,172,846.76, 2,998,668.66 and 1,205,977.12

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Solution

The fourth proportional to 2,172,846.76, 2,998,668.66 and 1,205,977.12 is: 1,664,326.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,172,846.76 : 2,998,668.66 = 1,205,977.12 : x
  2. Step 2: Convert to fraction form
    2,172,846.76/2,998,668.66 = 1,205,977.12/x
  3. Step 3: Cross multiply
    2,172,846.76x = 2,998,668.66 × 1,205,977.12
  4. Step 4: Simplify right side
    2,172,846.76x = 3,616,325,794,421.06
  5. Step 5: Solve for x
    x = 3,616,325,794,421.06/2,172,846.76
  6. Step 6: Final answer
    x = 1,664,326.20

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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.