Home / 3,321,870.20-4,979,694.90-2,601,812.60

Finding the Fourth Proportional to 3,321,870.20, 4,979,694.90 and 2,601,812.60

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Solution

The fourth proportional to 3,321,870.20, 4,979,694.90 and 2,601,812.60 is: 3,900,282.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,321,870.20 : 4,979,694.90 = 2,601,812.60 : x
  2. Step 2: Convert to fraction form
    3,321,870.20/4,979,694.90 = 2,601,812.60/x
  3. Step 3: Cross multiply
    3,321,870.20x = 4,979,694.90 × 2,601,812.60
  4. Step 4: Simplify right side
    3,321,870.20x = 12,956,232,934,975.74
  5. Step 5: Solve for x
    x = 12,956,232,934,975.74/3,321,870.20
  6. Step 6: Final answer
    x = 3,900,282.72

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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.