Home / 2,479,826.54-3,422,158.88-1,392,100.22

Finding the Fourth Proportional to 2,479,826.54, 3,422,158.88 and 1,392,100.22

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Solution

The fourth proportional to 2,479,826.54, 3,422,158.88 and 1,392,100.22 is: 1,921,097.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,479,826.54 : 3,422,158.88 = 1,392,100.22 : x
  2. Step 2: Convert to fraction form
    2,479,826.54/3,422,158.88 = 1,392,100.22/x
  3. Step 3: Cross multiply
    2,479,826.54x = 3,422,158.88 × 1,392,100.22
  4. Step 4: Simplify right side
    2,479,826.54x = 4,763,988,131,317.85
  5. Step 5: Solve for x
    x = 4,763,988,131,317.85/2,479,826.54
  6. Step 6: Final answer
    x = 1,921,097.32

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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.