Home / 2,821,627.80-3,895,035.38-1,905,097.11

Finding the Fourth Proportional to 2,821,627.80, 3,895,035.38 and 1,905,097.11

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Solution

The fourth proportional to 2,821,627.80, 3,895,035.38 and 1,905,097.11 is: 2,629,836.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,821,627.80 : 3,895,035.38 = 1,905,097.11 : x
  2. Step 2: Convert to fraction form
    2,821,627.80/3,895,035.38 = 1,905,097.11/x
  3. Step 3: Cross multiply
    2,821,627.80x = 3,895,035.38 × 1,905,097.11
  4. Step 4: Simplify right side
    2,821,627.80x = 7,420,420,628,798.00
  5. Step 5: Solve for x
    x = 7,420,420,628,798.00/2,821,627.80
  6. Step 6: Final answer
    x = 2,629,836.80

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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.