Home / 3,136,380.35-4,704,622.11-861,890.54

Finding the Fourth Proportional to 3,136,380.35, 4,704,622.11 and 861,890.54

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Solution

The fourth proportional to 3,136,380.35, 4,704,622.11 and 861,890.54 is: 1,292,849.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,136,380.35 : 4,704,622.11 = 861,890.54 : x
  2. Step 2: Convert to fraction form
    3,136,380.35/4,704,622.11 = 861,890.54/x
  3. Step 3: Cross multiply
    3,136,380.35x = 4,704,622.11 × 861,890.54
  4. Step 4: Simplify right side
    3,136,380.35x = 4,054,869,267,360.73
  5. Step 5: Solve for x
    x = 4,054,869,267,360.73/3,136,380.35
  6. Step 6: Final answer
    x = 1,292,849.98

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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.