Home / 3,871,880.90-5,342,976.18-2,152,964.52

Finding the Fourth Proportional to 3,871,880.90, 5,342,976.18 and 2,152,964.52

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Solution

The fourth proportional to 3,871,880.90, 5,342,976.18 and 2,152,964.52 is: 2,970,969.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,871,880.90 : 5,342,976.18 = 2,152,964.52 : x
  2. Step 2: Convert to fraction form
    3,871,880.90/5,342,976.18 = 2,152,964.52/x
  3. Step 3: Cross multiply
    3,871,880.90x = 5,342,976.18 × 2,152,964.52
  4. Step 4: Simplify right side
    3,871,880.90x = 11,503,238,146,745.13
  5. Step 5: Solve for x
    x = 11,503,238,146,745.13/3,871,880.90
  6. Step 6: Final answer
    x = 2,970,969.01

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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.