Home / 1,993,149.60-2,989,724.40-1,394,786.40

Finding the Fourth Proportional to 1,993,149.60, 2,989,724.40 and 1,394,786.40

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Solution

The fourth proportional to 1,993,149.60, 2,989,724.40 and 1,394,786.40 is: 2,092,179.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,993,149.60 : 2,989,724.40 = 1,394,786.40 : x
  2. Step 2: Convert to fraction form
    1,993,149.60/2,989,724.40 = 1,394,786.40/x
  3. Step 3: Cross multiply
    1,993,149.60x = 2,989,724.40 × 1,394,786.40
  4. Step 4: Simplify right side
    1,993,149.60x = 4,170,026,932,868.16
  5. Step 5: Solve for x
    x = 4,170,026,932,868.16/1,993,149.60
  6. Step 6: Final answer
    x = 2,092,179.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.