Home / 1,991,218.21-2,982,627.73-1,351,914.37

Finding the Fourth Proportional to 1,991,218.21, 2,982,627.73 and 1,351,914.37

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Solution

The fourth proportional to 1,991,218.21, 2,982,627.73 and 1,351,914.37 is: 2,025,020.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,991,218.21 : 2,982,627.73 = 1,351,914.37 : x
  2. Step 2: Convert to fraction form
    1,991,218.21/2,982,627.73 = 1,351,914.37/x
  3. Step 3: Cross multiply
    1,991,218.21x = 2,982,627.73 × 1,351,914.37
  4. Step 4: Simplify right side
    1,991,218.21x = 4,032,257,282,780.80
  5. Step 5: Solve for x
    x = 4,032,257,282,780.80/1,991,218.21
  6. Step 6: Final answer
    x = 2,025,020.30

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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.