Home / 3,058,815.93-4,221,069.34-1,682,155.38

Finding the Fourth Proportional to 3,058,815.93, 4,221,069.34 and 1,682,155.38

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Solution

The fourth proportional to 3,058,815.93, 4,221,069.34 and 1,682,155.38 is: 2,321,321.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,058,815.93 : 4,221,069.34 = 1,682,155.38 : x
  2. Step 2: Convert to fraction form
    3,058,815.93/4,221,069.34 = 1,682,155.38/x
  3. Step 3: Cross multiply
    3,058,815.93x = 4,221,069.34 × 1,682,155.38
  4. Step 4: Simplify right side
    3,058,815.93x = 7,100,494,514,255.58
  5. Step 5: Solve for x
    x = 7,100,494,514,255.58/3,058,815.93
  6. Step 6: Final answer
    x = 2,321,321.28

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1.5x scale

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.