Home / 2,174,551.53-3,261,806.48-1,321,858.65

Finding the Fourth Proportional to 2,174,551.53, 3,261,806.48 and 1,321,858.65

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Solution

The fourth proportional to 2,174,551.53, 3,261,806.48 and 1,321,858.65 is: 1,982,775.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,174,551.53 : 3,261,806.48 = 1,321,858.65 : x
  2. Step 2: Convert to fraction form
    2,174,551.53/3,261,806.48 = 1,321,858.65/x
  3. Step 3: Cross multiply
    2,174,551.53x = 3,261,806.48 × 1,321,858.65
  4. Step 4: Simplify right side
    2,174,551.53x = 4,311,647,103,604.76
  5. Step 5: Solve for x
    x = 4,311,647,103,604.76/2,174,551.53
  6. Step 6: Final answer
    x = 1,982,775.32

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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.