Home / 3,278,704.80-4,912,808.40-2,155,461.60

Finding the Fourth Proportional to 3,278,704.80, 4,912,808.40 and 2,155,461.60

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Solution

The fourth proportional to 3,278,704.80, 4,912,808.40 and 2,155,461.60 is: 3,229,741.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,278,704.80 : 4,912,808.40 = 2,155,461.60 : x
  2. Step 2: Convert to fraction form
    3,278,704.80/4,912,808.40 = 2,155,461.60/x
  3. Step 3: Cross multiply
    3,278,704.80x = 4,912,808.40 × 2,155,461.60
  4. Step 4: Simplify right side
    3,278,704.80x = 10,589,369,854,357.44
  5. Step 5: Solve for x
    x = 10,589,369,854,357.44/3,278,704.80
  6. Step 6: Final answer
    x = 3,229,741.77

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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.