Home / 5,113,463.53-7,056,729.40-2,790,505.73

Finding the Fourth Proportional to 5,113,463.53, 7,056,729.40 and 2,790,505.73

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Solution

The fourth proportional to 5,113,463.53, 7,056,729.40 and 2,790,505.73 is: 3,850,979.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,113,463.53 : 7,056,729.40 = 2,790,505.73 : x
  2. Step 2: Convert to fraction form
    5,113,463.53/7,056,729.40 = 2,790,505.73/x
  3. Step 3: Cross multiply
    5,113,463.53x = 7,056,729.40 × 2,790,505.73
  4. Step 4: Simplify right side
    5,113,463.53x = 19,691,843,776,523.29
  5. Step 5: Solve for x
    x = 19,691,843,776,523.29/5,113,463.53
  6. Step 6: Final answer
    x = 3,850,979.61

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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.