Home / 1,993,217.07-2,751,489.80-1,340,221.60

Finding the Fourth Proportional to 1,993,217.07, 2,751,489.80 and 1,340,221.60

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Solution

The fourth proportional to 1,993,217.07, 2,751,489.80 and 1,340,221.60 is: 1,850,077.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,993,217.07 : 2,751,489.80 = 1,340,221.60 : x
  2. Step 2: Convert to fraction form
    1,993,217.07/2,751,489.80 = 1,340,221.60/x
  3. Step 3: Cross multiply
    1,993,217.07x = 2,751,489.80 × 1,340,221.60
  4. Step 4: Simplify right side
    1,993,217.07x = 3,687,606,062,139.68
  5. Step 5: Solve for x
    x = 3,687,606,062,139.68/1,993,217.07
  6. Step 6: Final answer
    x = 1,850,077.50

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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.