Home / 2,768,612.80-4,152,919.20-2,096,766.40

Finding the Fourth Proportional to 2,768,612.80, 4,152,919.20 and 2,096,766.40

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Solution

The fourth proportional to 2,768,612.80, 4,152,919.20 and 2,096,766.40 is: 3,145,149.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,768,612.80 : 4,152,919.20 = 2,096,766.40 : x
  2. Step 2: Convert to fraction form
    2,768,612.80/4,152,919.20 = 2,096,766.40/x
  3. Step 3: Cross multiply
    2,768,612.80x = 4,152,919.20 × 2,096,766.40
  4. Step 4: Simplify right side
    2,768,612.80x = 8,707,701,440,474.88
  5. Step 5: Solve for x
    x = 8,707,701,440,474.88/2,768,612.80
  6. Step 6: Final answer
    x = 3,145,149.60

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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.