Home / 3,871,877.15-5,342,971.01-2,152,960.76

Finding the Fourth Proportional to 3,871,877.15, 5,342,971.01 and 2,152,960.76

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Solution

The fourth proportional to 3,871,877.15, 5,342,971.01 and 2,152,960.76 is: 2,970,963.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,871,877.15 : 5,342,971.01 = 2,152,960.76 : x
  2. Step 2: Convert to fraction form
    3,871,877.15/5,342,971.01 = 2,152,960.76/x
  3. Step 3: Cross multiply
    3,871,877.15x = 5,342,971.01 × 2,152,960.76
  4. Step 4: Simplify right side
    3,871,877.15x = 11,503,206,928,940.19
  5. Step 5: Solve for x
    x = 11,503,206,928,940.19/3,871,877.15
  6. Step 6: Final answer
    x = 2,970,963.82

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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.