Home / 3,821,145.89-5,273,181.15-2,102,229.50

Finding the Fourth Proportional to 3,821,145.89, 5,273,181.15 and 2,102,229.50

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Solution

The fourth proportional to 3,821,145.89, 5,273,181.15 and 2,102,229.50 is: 2,901,076.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,821,145.89 : 5,273,181.15 = 2,102,229.50 : x
  2. Step 2: Convert to fraction form
    3,821,145.89/5,273,181.15 = 2,102,229.50/x
  3. Step 3: Cross multiply
    3,821,145.89x = 5,273,181.15 × 2,102,229.50
  4. Step 4: Simplify right side
    3,821,145.89x = 11,085,436,972,373.93
  5. Step 5: Solve for x
    x = 11,085,436,972,373.93/3,821,145.89
  6. Step 6: Final answer
    x = 2,901,076.61

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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.