Home / 2,218,498.80-3,327,748.20-2,131,407.60

Finding the Fourth Proportional to 2,218,498.80, 3,327,748.20 and 2,131,407.60

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Solution

The fourth proportional to 2,218,498.80, 3,327,748.20 and 2,131,407.60 is: 3,197,111.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,218,498.80 : 3,327,748.20 = 2,131,407.60 : x
  2. Step 2: Convert to fraction form
    2,218,498.80/3,327,748.20 = 2,131,407.60/x
  3. Step 3: Cross multiply
    2,218,498.80x = 3,327,748.20 × 2,131,407.60
  4. Step 4: Simplify right side
    2,218,498.80x = 7,092,787,804,366.32
  5. Step 5: Solve for x
    x = 7,092,787,804,366.32/2,218,498.80
  6. Step 6: Final answer
    x = 3,197,111.40

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Similar ratio
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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.