Home / 2,321,345.03-3,203,556.19-1,288,852.95

Finding the Fourth Proportional to 2,321,345.03, 3,203,556.19 and 1,288,852.95

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Solution

The fourth proportional to 2,321,345.03, 3,203,556.19 and 1,288,852.95 is: 1,778,672.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,321,345.03 : 3,203,556.19 = 1,288,852.95 : x
  2. Step 2: Convert to fraction form
    2,321,345.03/3,203,556.19 = 1,288,852.95/x
  3. Step 3: Cross multiply
    2,321,345.03x = 3,203,556.19 × 1,288,852.95
  4. Step 4: Simplify right side
    2,321,345.03x = 4,128,912,862,013.26
  5. Step 5: Solve for x
    x = 4,128,912,862,013.26/2,321,345.03
  6. Step 6: Final answer
    x = 1,778,672.63

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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.