Home / 3,871,247.52-5,342,902.56-2,787,107.52

Finding the Fourth Proportional to 3,871,247.52, 5,342,902.56 and 2,787,107.52

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Solution

The fourth proportional to 3,871,247.52, 5,342,902.56 and 2,787,107.52 is: 3,846,626.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,871,247.52 : 5,342,902.56 = 2,787,107.52 : x
  2. Step 2: Convert to fraction form
    3,871,247.52/5,342,902.56 = 2,787,107.52/x
  3. Step 3: Cross multiply
    3,871,247.52x = 5,342,902.56 × 2,787,107.52
  4. Step 4: Simplify right side
    3,871,247.52x = 14,891,243,903,603.25
  5. Step 5: Solve for x
    x = 14,891,243,903,603.25/3,871,247.52
  6. Step 6: Final answer
    x = 3,846,626.66

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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.