Home / 2,185,822.80-3,278,734.20-2,091,344.40

Finding the Fourth Proportional to 2,185,822.80, 3,278,734.20 and 2,091,344.40

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Solution

The fourth proportional to 2,185,822.80, 3,278,734.20 and 2,091,344.40 is: 3,137,016.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,185,822.80 : 3,278,734.20 = 2,091,344.40 : x
  2. Step 2: Convert to fraction form
    2,185,822.80/3,278,734.20 = 2,091,344.40/x
  3. Step 3: Cross multiply
    2,185,822.80x = 3,278,734.20 × 2,091,344.40
  4. Step 4: Simplify right side
    2,185,822.80x = 6,856,962,408,258.48
  5. Step 5: Solve for x
    x = 6,856,962,408,258.48/2,185,822.80
  6. Step 6: Final answer
    x = 3,137,016.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.