Home / 3,788,269.55-5,682,365.45-2,189,815.55

Finding the Fourth Proportional to 3,788,269.55, 5,682,365.45 and 2,189,815.55

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Solution

The fourth proportional to 3,788,269.55, 5,682,365.45 and 2,189,815.55 is: 3,284,700.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,788,269.55 : 5,682,365.45 = 2,189,815.55 : x
  2. Step 2: Convert to fraction form
    3,788,269.55/5,682,365.45 = 2,189,815.55/x
  3. Step 3: Cross multiply
    3,788,269.55x = 5,682,365.45 × 2,189,815.55
  4. Step 4: Simplify right side
    3,788,269.55x = 12,443,332,212,243.67
  5. Step 5: Solve for x
    x = 12,443,332,212,243.67/3,788,269.55
  6. Step 6: Final answer
    x = 3,284,700.85

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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.