Home / 3,776,908.60-5,211,970.82-2,145,310.86

Finding the Fourth Proportional to 3,776,908.60, 5,211,970.82 and 2,145,310.86

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Solution

The fourth proportional to 3,776,908.60, 5,211,970.82 and 2,145,310.86 is: 2,960,436.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,776,908.60 : 5,211,970.82 = 2,145,310.86 : x
  2. Step 2: Convert to fraction form
    3,776,908.60/5,211,970.82 = 2,145,310.86/x
  3. Step 3: Cross multiply
    3,776,908.60x = 5,211,970.82 × 2,145,310.86
  4. Step 4: Simplify right side
    3,776,908.60x = 11,181,297,602,149.11
  5. Step 5: Solve for x
    x = 11,181,297,602,149.11/3,776,908.60
  6. Step 6: Final answer
    x = 2,960,436.37

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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.