Home / 2,479,104.78-3,421,020.87-1,391,274.78

Finding the Fourth Proportional to 2,479,104.78, 3,421,020.87 and 1,391,274.78

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Solution

The fourth proportional to 2,479,104.78, 3,421,020.87 and 1,391,274.78 is: 1,919,878.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,479,104.78 : 3,421,020.87 = 1,391,274.78 : x
  2. Step 2: Convert to fraction form
    2,479,104.78/3,421,020.87 = 1,391,274.78/x
  3. Step 3: Cross multiply
    2,479,104.78x = 3,421,020.87 × 1,391,274.78
  4. Step 4: Simplify right side
    2,479,104.78x = 4,759,580,058,284.66
  5. Step 5: Solve for x
    x = 4,759,580,058,284.66/2,479,104.78
  6. Step 6: Final answer
    x = 1,919,878.54

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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.