Home / 2,149,716.74-3,224,174.52-690,788.46

Finding the Fourth Proportional to 2,149,716.74, 3,224,174.52 and 690,788.46

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Solution

The fourth proportional to 2,149,716.74, 3,224,174.52 and 690,788.46 is: 1,036,053.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,149,716.74 : 3,224,174.52 = 690,788.46 : x
  2. Step 2: Convert to fraction form
    2,149,716.74/3,224,174.52 = 690,788.46/x
  3. Step 3: Cross multiply
    2,149,716.74x = 3,224,174.52 × 690,788.46
  4. Step 4: Simplify right side
    2,149,716.74x = 2,227,222,556,048.53
  5. Step 5: Solve for x
    x = 2,227,222,556,048.53/2,149,716.74
  6. Step 6: Final answer
    x = 1,036,053.97

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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.