Home / 3,145,338.82-4,718,013.09-1,348,081.66

Finding the Fourth Proportional to 3,145,338.82, 4,718,013.09 and 1,348,081.66

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Solution

The fourth proportional to 3,145,338.82, 4,718,013.09 and 1,348,081.66 is: 2,022,124.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,145,338.82 : 4,718,013.09 = 1,348,081.66 : x
  2. Step 2: Convert to fraction form
    3,145,338.82/4,718,013.09 = 1,348,081.66/x
  3. Step 3: Cross multiply
    3,145,338.82x = 4,718,013.09 × 1,348,081.66
  4. Step 4: Simplify right side
    3,145,338.82x = 6,360,266,918,268.93
  5. Step 5: Solve for x
    x = 6,360,266,918,268.93/3,145,338.82
  6. Step 6: Final answer
    x = 2,022,124.57

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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.