Home / 2,821,629.30-3,895,037.45-1,905,098.61

Finding the Fourth Proportional to 2,821,629.30, 3,895,037.45 and 1,905,098.61

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Solution

The fourth proportional to 2,821,629.30, 3,895,037.45 and 1,905,098.61 is: 2,629,838.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,821,629.30 : 3,895,037.45 = 1,905,098.61 : x
  2. Step 2: Convert to fraction form
    2,821,629.30/3,895,037.45 = 1,905,098.61/x
  3. Step 3: Cross multiply
    2,821,629.30x = 3,895,037.45 × 1,905,098.61
  4. Step 4: Simplify right side
    2,821,629.30x = 7,420,430,422,367.45
  5. Step 5: Solve for x
    x = 7,420,430,422,367.45/2,821,629.30
  6. Step 6: Final answer
    x = 2,629,838.87

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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.