Home / 3,862,941.45-5,800,100.25-2,160,420.38

Finding the Fourth Proportional to 3,862,941.45, 5,800,100.25 and 2,160,420.38

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Solution

The fourth proportional to 3,862,941.45, 5,800,100.25 and 2,160,420.38 is: 3,243,811.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,862,941.45 : 5,800,100.25 = 2,160,420.38 : x
  2. Step 2: Convert to fraction form
    3,862,941.45/5,800,100.25 = 2,160,420.38/x
  3. Step 3: Cross multiply
    3,862,941.45x = 5,800,100.25 × 2,160,420.38
  4. Step 4: Simplify right side
    3,862,941.45x = 12,530,654,786,143.09
  5. Step 5: Solve for x
    x = 12,530,654,786,143.09/3,862,941.45
  6. Step 6: Final answer
    x = 3,243,811.73

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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.