Home / 3,121,855.90-4,682,783.85-2,002,111.90

Finding the Fourth Proportional to 3,121,855.90, 4,682,783.85 and 2,002,111.90

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Solution

The fourth proportional to 3,121,855.90, 4,682,783.85 and 2,002,111.90 is: 3,003,167.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,121,855.90 : 4,682,783.85 = 2,002,111.90 : x
  2. Step 2: Convert to fraction form
    3,121,855.90/4,682,783.85 = 2,002,111.90/x
  3. Step 3: Cross multiply
    3,121,855.90x = 4,682,783.85 × 2,002,111.90
  4. Step 4: Simplify right side
    3,121,855.90x = 9,375,457,271,212.82
  5. Step 5: Solve for x
    x = 9,375,457,271,212.82/3,121,855.90
  6. Step 6: Final answer
    x = 3,003,167.85

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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.