Home / 2,106,574.62-2,907,073.60-1,188,998.13

Finding the Fourth Proportional to 2,106,574.62, 2,907,073.60 and 1,188,998.13

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Solution

The fourth proportional to 2,106,574.62, 2,907,073.60 and 1,188,998.13 is: 1,640,817.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,106,574.62 : 2,907,073.60 = 1,188,998.13 : x
  2. Step 2: Convert to fraction form
    2,106,574.62/2,907,073.60 = 1,188,998.13/x
  3. Step 3: Cross multiply
    2,106,574.62x = 2,907,073.60 × 1,188,998.13
  4. Step 4: Simplify right side
    2,106,574.62x = 3,456,505,082,101.40
  5. Step 5: Solve for x
    x = 3,456,505,082,101.40/2,106,574.62
  6. Step 6: Final answer
    x = 1,640,817.78

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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.