Home / 2,015,863.20-3,023,794.80-1,861,898.40

Finding the Fourth Proportional to 2,015,863.20, 3,023,794.80 and 1,861,898.40

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Solution

The fourth proportional to 2,015,863.20, 3,023,794.80 and 1,861,898.40 is: 2,792,847.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,015,863.20 : 3,023,794.80 = 1,861,898.40 : x
  2. Step 2: Convert to fraction form
    2,015,863.20/3,023,794.80 = 1,861,898.40/x
  3. Step 3: Cross multiply
    2,015,863.20x = 3,023,794.80 × 1,861,898.40
  4. Step 4: Simplify right side
    2,015,863.20x = 5,629,998,700,048.32
  5. Step 5: Solve for x
    x = 5,629,998,700,048.32/2,015,863.20
  6. Step 6: Final answer
    x = 2,792,847.60

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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.