Home / 3,865,960.80-5,787,131.40-3,015,655.20

Finding the Fourth Proportional to 3,865,960.80, 5,787,131.40 and 3,015,655.20

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Solution

The fourth proportional to 3,865,960.80, 5,787,131.40 and 3,015,655.20 is: 4,514,270.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,865,960.80 : 5,787,131.40 = 3,015,655.20 : x
  2. Step 2: Convert to fraction form
    3,865,960.80/5,787,131.40 = 3,015,655.20/x
  3. Step 3: Cross multiply
    3,865,960.80x = 5,787,131.40 × 3,015,655.20
  4. Step 4: Simplify right side
    3,865,960.80x = 17,451,992,899,493.28
  5. Step 5: Solve for x
    x = 17,451,992,899,493.28/3,865,960.80
  6. Step 6: Final answer
    x = 4,514,270.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.