Home / 2,189,107.80-3,283,661.70-769,307.40

Finding the Fourth Proportional to 2,189,107.80, 3,283,661.70 and 769,307.40

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Solution

The fourth proportional to 2,189,107.80, 3,283,661.70 and 769,307.40 is: 1,153,961.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,189,107.80 : 3,283,661.70 = 769,307.40 : x
  2. Step 2: Convert to fraction form
    2,189,107.80/3,283,661.70 = 769,307.40/x
  3. Step 3: Cross multiply
    2,189,107.80x = 3,283,661.70 × 769,307.40
  4. Step 4: Simplify right side
    2,189,107.80x = 2,526,145,244,906.58
  5. Step 5: Solve for x
    x = 2,526,145,244,906.58/2,189,107.80
  6. Step 6: Final answer
    x = 1,153,961.10

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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.