Home / 3,118,324.82-4,303,288.24-1,687,540.82

Finding the Fourth Proportional to 3,118,324.82, 4,303,288.24 and 1,687,540.82

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Solution

The fourth proportional to 3,118,324.82, 4,303,288.24 and 1,687,540.82 is: 2,328,806.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,118,324.82 : 4,303,288.24 = 1,687,540.82 : x
  2. Step 2: Convert to fraction form
    3,118,324.82/4,303,288.24 = 1,687,540.82/x
  3. Step 3: Cross multiply
    3,118,324.82x = 4,303,288.24 × 1,687,540.82
  4. Step 4: Simplify right side
    3,118,324.82x = 7,261,974,565,225.96
  5. Step 5: Solve for x
    x = 7,261,974,565,225.96/3,118,324.82
  6. Step 6: Final answer
    x = 2,328,806.33

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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.