Home / 2,172,163-2,997,942.42-1,205,604.44

Finding the Fourth Proportional to 2,172,163, 2,997,942.42 and 1,205,604.44

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Solution

The fourth proportional to 2,172,163, 2,997,942.42 and 1,205,604.44 is: 1,663,932.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,172,163 : 2,997,942.42 = 1,205,604.44 : x
  2. Step 2: Convert to fraction form
    2,172,163/2,997,942.42 = 1,205,604.44/x
  3. Step 3: Cross multiply
    2,172,163x = 2,997,942.42 × 1,205,604.44
  4. Step 4: Simplify right side
    2,172,163x = 3,614,332,692,416.35
  5. Step 5: Solve for x
    x = 3,614,332,692,416.35/2,172,163
  6. Step 6: Final answer
    x = 1,663,932.54

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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.