Home / 2,850,790.22-3,934,091.20-1,561,676.43

Finding the Fourth Proportional to 2,850,790.22, 3,934,091.20 and 1,561,676.43

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Solution

The fourth proportional to 2,850,790.22, 3,934,091.20 and 1,561,676.43 is: 2,155,113.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,850,790.22 : 3,934,091.20 = 1,561,676.43 : x
  2. Step 2: Convert to fraction form
    2,850,790.22/3,934,091.20 = 1,561,676.43/x
  3. Step 3: Cross multiply
    2,850,790.22x = 3,934,091.20 × 1,561,676.43
  4. Step 4: Simplify right side
    2,850,790.22x = 6,143,777,500,510.42
  5. Step 5: Solve for x
    x = 6,143,777,500,510.42/2,850,790.22
  6. Step 6: Final answer
    x = 2,155,113.85

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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.