Home / 3,871,353.88-5,342,605.52-2,129,158.02

Finding the Fourth Proportional to 3,871,353.88, 5,342,605.52 and 2,129,158.02

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Solution

The fourth proportional to 3,871,353.88, 5,342,605.52 and 2,129,158.02 is: 2,938,313.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,871,353.88 : 5,342,605.52 = 2,129,158.02 : x
  2. Step 2: Convert to fraction form
    3,871,353.88/5,342,605.52 = 2,129,158.02/x
  3. Step 3: Cross multiply
    3,871,353.88x = 5,342,605.52 × 2,129,158.02
  4. Step 4: Simplify right side
    3,871,353.88x = 11,375,251,390,604.27
  5. Step 5: Solve for x
    x = 11,375,251,390,604.27/3,871,353.88
  6. Step 6: Final answer
    x = 2,938,313.51

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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.