Home / 3,328,003.70-4,992,005.55-1,644,758.90

Finding the Fourth Proportional to 3,328,003.70, 4,992,005.55 and 1,644,758.90

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Solution

The fourth proportional to 3,328,003.70, 4,992,005.55 and 1,644,758.90 is: 2,467,138.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,328,003.70 : 4,992,005.55 = 1,644,758.90 : x
  2. Step 2: Convert to fraction form
    3,328,003.70/4,992,005.55 = 1,644,758.90/x
  3. Step 3: Cross multiply
    3,328,003.70x = 4,992,005.55 × 1,644,758.90
  4. Step 4: Simplify right side
    3,328,003.70x = 8,210,645,557,211.90
  5. Step 5: Solve for x
    x = 8,210,645,557,211.90/3,328,003.70
  6. Step 6: Final answer
    x = 2,467,138.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.