Home / 3,571,719.67-4,928,969.39-1,940,128.31

Finding the Fourth Proportional to 3,571,719.67, 4,928,969.39 and 1,940,128.31

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Solution

The fourth proportional to 3,571,719.67, 4,928,969.39 and 1,940,128.31 is: 2,677,375.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,571,719.67 : 4,928,969.39 = 1,940,128.31 : x
  2. Step 2: Convert to fraction form
    3,571,719.67/4,928,969.39 = 1,940,128.31/x
  3. Step 3: Cross multiply
    3,571,719.67x = 4,928,969.39 × 1,940,128.31
  4. Step 4: Simplify right side
    3,571,719.67x = 9,562,833,039,891.09
  5. Step 5: Solve for x
    x = 9,562,833,039,891.09/3,571,719.67
  6. Step 6: Final answer
    x = 2,677,375.03

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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.