Home / 2,213,335.20-3,320,002.80-2,166,679.20

Finding the Fourth Proportional to 2,213,335.20, 3,320,002.80 and 2,166,679.20

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Solution

The fourth proportional to 2,213,335.20, 3,320,002.80 and 2,166,679.20 is: 3,250,018.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,213,335.20 : 3,320,002.80 = 2,166,679.20 : x
  2. Step 2: Convert to fraction form
    2,213,335.20/3,320,002.80 = 2,166,679.20/x
  3. Step 3: Cross multiply
    2,213,335.20x = 3,320,002.80 × 2,166,679.20
  4. Step 4: Simplify right side
    2,213,335.20x = 7,193,381,010,701.76
  5. Step 5: Solve for x
    x = 7,193,381,010,701.76/2,213,335.20
  6. Step 6: Final answer
    x = 3,250,018.80

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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.