Home / 3,117,951-4,302,785.34-1,687,167

Finding the Fourth Proportional to 3,117,951, 4,302,785.34 and 1,687,167

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Solution

The fourth proportional to 3,117,951, 4,302,785.34 and 1,687,167 is: 2,328,297.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,117,951 : 4,302,785.34 = 1,687,167 : x
  2. Step 2: Convert to fraction form
    3,117,951/4,302,785.34 = 1,687,167/x
  3. Step 3: Cross multiply
    3,117,951x = 4,302,785.34 × 1,687,167
  4. Step 4: Simplify right side
    3,117,951x = 7,259,517,433,731.78
  5. Step 5: Solve for x
    x = 7,259,517,433,731.78/3,117,951
  6. Step 6: Final answer
    x = 2,328,297.47

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.