Home / 3,825,030.62-5,278,658.40-2,106,212.65

Finding the Fourth Proportional to 3,825,030.62, 5,278,658.40 and 2,106,212.65

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Solution

The fourth proportional to 3,825,030.62, 5,278,658.40 and 2,106,212.65 is: 2,906,637.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,825,030.62 : 5,278,658.40 = 2,106,212.65 : x
  2. Step 2: Convert to fraction form
    3,825,030.62/5,278,658.40 = 2,106,212.65/x
  3. Step 3: Cross multiply
    3,825,030.62x = 5,278,658.40 × 2,106,212.65
  4. Step 4: Simplify right side
    3,825,030.62x = 11,117,977,083,912.12
  5. Step 5: Solve for x
    x = 11,117,977,083,912.12/3,825,030.62
  6. Step 6: Final answer
    x = 2,906,637.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.