Home / 2,840,422.95-3,919,788.05-1,616,728.48

Finding the Fourth Proportional to 2,840,422.95, 3,919,788.05 and 1,616,728.48

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Solution

The fourth proportional to 2,840,422.95, 3,919,788.05 and 1,616,728.48 is: 2,231,087.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,840,422.95 : 3,919,788.05 = 1,616,728.48 : x
  2. Step 2: Convert to fraction form
    2,840,422.95/3,919,788.05 = 1,616,728.48/x
  3. Step 3: Cross multiply
    2,840,422.95x = 3,919,788.05 × 1,616,728.48
  4. Step 4: Simplify right side
    2,840,422.95x = 6,337,232,958,115.55
  5. Step 5: Solve for x
    x = 6,337,232,958,115.55/2,840,422.95
  6. Step 6: Final answer
    x = 2,231,087.79

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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.