Home / 3,943,280.14-5,915,135.49-1,247,404.89

Finding the Fourth Proportional to 3,943,280.14, 5,915,135.49 and 1,247,404.89

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Solution

The fourth proportional to 3,943,280.14, 5,915,135.49 and 1,247,404.89 is: 1,871,175.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,943,280.14 : 5,915,135.49 = 1,247,404.89 : x
  2. Step 2: Convert to fraction form
    3,943,280.14/5,915,135.49 = 1,247,404.89/x
  3. Step 3: Cross multiply
    3,943,280.14x = 5,915,135.49 × 1,247,404.89
  4. Step 4: Simplify right side
    3,943,280.14x = 7,378,568,935,238.55
  5. Step 5: Solve for x
    x = 7,378,568,935,238.55/3,943,280.14
  6. Step 6: Final answer
    x = 1,871,175.44

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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.