Home / 1,993,093.50-2,989,640.25-646,382.64

Finding the Fourth Proportional to 1,993,093.50, 2,989,640.25 and 646,382.64

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Solution

The fourth proportional to 1,993,093.50, 2,989,640.25 and 646,382.64 is: 969,573.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,993,093.50 : 2,989,640.25 = 646,382.64 : x
  2. Step 2: Convert to fraction form
    1,993,093.50/2,989,640.25 = 646,382.64/x
  3. Step 3: Cross multiply
    1,993,093.50x = 2,989,640.25 × 646,382.64
  4. Step 4: Simplify right side
    1,993,093.50x = 1,932,451,557,445.26
  5. Step 5: Solve for x
    x = 1,932,451,557,445.26/1,993,093.50
  6. Step 6: Final answer
    x = 969,573.96

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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.