Home / 2,660,110.20-3,990,683.70-1,143,790.20

Finding the Fourth Proportional to 2,660,110.20, 3,990,683.70 and 1,143,790.20

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Solution

The fourth proportional to 2,660,110.20, 3,990,683.70 and 1,143,790.20 is: 1,715,908.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,660,110.20 : 3,990,683.70 = 1,143,790.20 : x
  2. Step 2: Convert to fraction form
    2,660,110.20/3,990,683.70 = 1,143,790.20/x
  3. Step 3: Cross multiply
    2,660,110.20x = 3,990,683.70 × 1,143,790.20
  4. Step 4: Simplify right side
    2,660,110.20x = 4,564,504,907,359.74
  5. Step 5: Solve for x
    x = 4,564,504,907,359.74/2,660,110.20
  6. Step 6: Final answer
    x = 1,715,908.20

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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.