Home / 2,138,559.48-3,208,555.37-699,309.25

Finding the Fourth Proportional to 2,138,559.48, 3,208,555.37 and 699,309.25

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Solution

The fourth proportional to 2,138,559.48, 3,208,555.37 and 699,309.25 is: 1,049,198.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,138,559.48 : 3,208,555.37 = 699,309.25 : x
  2. Step 2: Convert to fraction form
    2,138,559.48/3,208,555.37 = 699,309.25/x
  3. Step 3: Cross multiply
    2,138,559.48x = 3,208,555.37 × 699,309.25
  4. Step 4: Simplify right side
    2,138,559.48x = 2,243,772,449,378.17
  5. Step 5: Solve for x
    x = 2,243,772,449,378.17/2,138,559.48
  6. Step 6: Final answer
    x = 1,049,198.06

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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.