Home / 2,172,984.96-2,998,676.52-1,206,126.84

Finding the Fourth Proportional to 2,172,984.96, 2,998,676.52 and 1,206,126.84

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Solution

The fourth proportional to 2,172,984.96, 2,998,676.52 and 1,206,126.84 is: 1,664,431.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,172,984.96 : 2,998,676.52 = 1,206,126.84 : x
  2. Step 2: Convert to fraction form
    2,172,984.96/2,998,676.52 = 1,206,126.84/x
  3. Step 3: Cross multiply
    2,172,984.96x = 2,998,676.52 × 1,206,126.84
  4. Step 4: Simplify right side
    2,172,984.96x = 3,616,784,235,249.80
  5. Step 5: Solve for x
    x = 3,616,784,235,249.80/2,172,984.96
  6. Step 6: Final answer
    x = 1,664,431.32

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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.