Home / 3,960,447.76-5,465,271.72-2,149,572.88

Finding the Fourth Proportional to 3,960,447.76, 5,465,271.72 and 2,149,572.88

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Solution

The fourth proportional to 3,960,447.76, 5,465,271.72 and 2,149,572.88 is: 2,966,331.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,960,447.76 : 5,465,271.72 = 2,149,572.88 : x
  2. Step 2: Convert to fraction form
    3,960,447.76/5,465,271.72 = 2,149,572.88/x
  3. Step 3: Cross multiply
    3,960,447.76x = 5,465,271.72 × 2,149,572.88
  4. Step 4: Simplify right side
    3,960,447.76x = 11,747,999,871,142.95
  5. Step 5: Solve for x
    x = 11,747,999,871,142.95/3,960,447.76
  6. Step 6: Final answer
    x = 2,966,331.23

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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.