Home / 2,110,229.64-2,912,259.78-1,192,140.36

Finding the Fourth Proportional to 2,110,229.64, 2,912,259.78 and 1,192,140.36

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Solution

The fourth proportional to 2,110,229.64, 2,912,259.78 and 1,192,140.36 is: 1,645,234.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,110,229.64 : 2,912,259.78 = 1,192,140.36 : x
  2. Step 2: Convert to fraction form
    2,110,229.64/2,912,259.78 = 1,192,140.36/x
  3. Step 3: Cross multiply
    2,110,229.64x = 2,912,259.78 × 1,192,140.36
  4. Step 4: Simplify right side
    2,110,229.64x = 3,471,822,422,542.72
  5. Step 5: Solve for x
    x = 3,471,822,422,542.72/2,110,229.64
  6. Step 6: Final answer
    x = 1,645,234.41

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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.