Home / 2,668,884.39-3,993,282.54-1,871,721.27

Finding the Fourth Proportional to 2,668,884.39, 3,993,282.54 and 1,871,721.27

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Solution

The fourth proportional to 2,668,884.39, 3,993,282.54 and 1,871,721.27 is: 2,800,537.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,668,884.39 : 3,993,282.54 = 1,871,721.27 : x
  2. Step 2: Convert to fraction form
    2,668,884.39/3,993,282.54 = 1,871,721.27/x
  3. Step 3: Cross multiply
    2,668,884.39x = 3,993,282.54 × 1,871,721.27
  4. Step 4: Simplify right side
    2,668,884.39x = 7,474,311,867,237.63
  5. Step 5: Solve for x
    x = 7,474,311,867,237.63/2,668,884.39
  6. Step 6: Final answer
    x = 2,800,537.89

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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.