Home / 2,321,345.57-3,203,556.93-1,288,853.37

Finding the Fourth Proportional to 2,321,345.57, 3,203,556.93 and 1,288,853.37

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Solution

The fourth proportional to 2,321,345.57, 3,203,556.93 and 1,288,853.37 is: 1,778,673.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,321,345.57 : 3,203,556.93 = 1,288,853.37 : x
  2. Step 2: Convert to fraction form
    2,321,345.57/3,203,556.93 = 1,288,853.37/x
  3. Step 3: Cross multiply
    2,321,345.57x = 3,203,556.93 × 1,288,853.37
  4. Step 4: Simplify right side
    2,321,345.57x = 4,128,915,145,217.35
  5. Step 5: Solve for x
    x = 4,128,915,145,217.35/2,321,345.57
  6. Step 6: Final answer
    x = 1,778,673.20

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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.