Home / 3,076,147.82-4,611,723.67-1,280,375.47

Finding the Fourth Proportional to 3,076,147.82, 4,611,723.67 and 1,280,375.47

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Solution

The fourth proportional to 3,076,147.82, 4,611,723.67 and 1,280,375.47 is: 1,919,523.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,076,147.82 : 4,611,723.67 = 1,280,375.47 : x
  2. Step 2: Convert to fraction form
    3,076,147.82/4,611,723.67 = 1,280,375.47/x
  3. Step 3: Cross multiply
    3,076,147.82x = 4,611,723.67 × 1,280,375.47
  4. Step 4: Simplify right side
    3,076,147.82x = 5,904,737,861,486.38
  5. Step 5: Solve for x
    x = 5,904,737,861,486.38/3,076,147.82
  6. Step 6: Final answer
    x = 1,919,523.45

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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.