Home / 3,280,072.42-4,920,073.09-1,121,076.95

Finding the Fourth Proportional to 3,280,072.42, 4,920,073.09 and 1,121,076.95

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Solution

The fourth proportional to 3,280,072.42, 4,920,073.09 and 1,121,076.95 is: 1,681,603.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,280,072.42 : 4,920,073.09 = 1,121,076.95 : x
  2. Step 2: Convert to fraction form
    3,280,072.42/4,920,073.09 = 1,121,076.95/x
  3. Step 3: Cross multiply
    3,280,072.42x = 4,920,073.09 × 1,121,076.95
  4. Step 4: Simplify right side
    3,280,072.42x = 5,515,780,527,908.89
  5. Step 5: Solve for x
    x = 5,515,780,527,908.89/3,280,072.42
  6. Step 6: Final answer
    x = 1,681,603.28

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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.