Home / 2,218,506.80-3,327,760.20-2,131,415.60

Finding the Fourth Proportional to 2,218,506.80, 3,327,760.20 and 2,131,415.60

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Solution

The fourth proportional to 2,218,506.80, 3,327,760.20 and 2,131,415.60 is: 3,197,123.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,218,506.80 : 3,327,760.20 = 2,131,415.60 : x
  2. Step 2: Convert to fraction form
    2,218,506.80/3,327,760.20 = 2,131,415.60/x
  3. Step 3: Cross multiply
    2,218,506.80x = 3,327,760.20 × 2,131,415.60
  4. Step 4: Simplify right side
    2,218,506.80x = 7,092,840,003,339.12
  5. Step 5: Solve for x
    x = 7,092,840,003,339.12/2,218,506.80
  6. Step 6: Final answer
    x = 3,197,123.40

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1.5x scale

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.