Home / 1,993,867.56-2,991,272.76-646,027.92

Finding the Fourth Proportional to 1,993,867.56, 2,991,272.76 and 646,027.92

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Solution

The fourth proportional to 1,993,867.56, 2,991,272.76 and 646,027.92 is: 969,194.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,993,867.56 : 2,991,272.76 = 646,027.92 : x
  2. Step 2: Convert to fraction form
    1,993,867.56/2,991,272.76 = 646,027.92/x
  3. Step 3: Cross multiply
    1,993,867.56x = 2,991,272.76 × 646,027.92
  4. Step 4: Simplify right side
    1,993,867.56x = 1,932,445,719,295.46
  5. Step 5: Solve for x
    x = 1,932,445,719,295.46/1,993,867.56
  6. Step 6: Final answer
    x = 969,194.62

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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.