Home / 2,679,422.80-4,019,134.20-2,474,136.40

Finding the Fourth Proportional to 2,679,422.80, 4,019,134.20 and 2,474,136.40

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Solution

The fourth proportional to 2,679,422.80, 4,019,134.20 and 2,474,136.40 is: 3,711,204.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,679,422.80 : 4,019,134.20 = 2,474,136.40 : x
  2. Step 2: Convert to fraction form
    2,679,422.80/4,019,134.20 = 2,474,136.40/x
  3. Step 3: Cross multiply
    2,679,422.80x = 4,019,134.20 × 2,474,136.40
  4. Step 4: Simplify right side
    2,679,422.80x = 9,943,886,220,704.88
  5. Step 5: Solve for x
    x = 9,943,886,220,704.88/2,679,422.80
  6. Step 6: Final answer
    x = 3,711,204.60

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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.