Home / 2,155,945.80-3,236,161.74-1,587,968.24

Finding the Fourth Proportional to 2,155,945.80, 3,236,161.74 and 1,587,968.24

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Solution

The fourth proportional to 2,155,945.80, 3,236,161.74 and 1,587,968.24 is: 2,383,604.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,155,945.80 : 3,236,161.74 = 1,587,968.24 : x
  2. Step 2: Convert to fraction form
    2,155,945.80/3,236,161.74 = 1,587,968.24/x
  3. Step 3: Cross multiply
    2,155,945.80x = 3,236,161.74 × 1,587,968.24
  4. Step 4: Simplify right side
    2,155,945.80x = 5,138,922,046,442.33
  5. Step 5: Solve for x
    x = 5,138,922,046,442.33/2,155,945.80
  6. Step 6: Final answer
    x = 2,383,604.47

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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.