Home / 3,871,881.53-5,342,977.04-2,152,965.14

Finding the Fourth Proportional to 3,871,881.53, 5,342,977.04 and 2,152,965.14

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Solution

The fourth proportional to 3,871,881.53, 5,342,977.04 and 2,152,965.14 is: 2,970,969.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,871,881.53 : 5,342,977.04 = 2,152,965.14 : x
  2. Step 2: Convert to fraction form
    3,871,881.53/5,342,977.04 = 2,152,965.14/x
  3. Step 3: Cross multiply
    3,871,881.53x = 5,342,977.04 × 2,152,965.14
  4. Step 4: Simplify right side
    3,871,881.53x = 11,503,243,310,940.39
  5. Step 5: Solve for x
    x = 11,503,243,310,940.39/3,871,881.53
  6. Step 6: Final answer
    x = 2,970,969.86

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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.