Home / 2,668,351.49-3,682,930.31-2,086,423.59

Finding the Fourth Proportional to 2,668,351.49, 3,682,930.31 and 2,086,423.59

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Solution

The fourth proportional to 2,668,351.49, 3,682,930.31 and 2,086,423.59 is: 2,879,737.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,668,351.49 : 3,682,930.31 = 2,086,423.59 : x
  2. Step 2: Convert to fraction form
    2,668,351.49/3,682,930.31 = 2,086,423.59/x
  3. Step 3: Cross multiply
    2,668,351.49x = 3,682,930.31 × 2,086,423.59
  4. Step 4: Simplify right side
    2,668,351.49x = 7,684,152,679,110.01
  5. Step 5: Solve for x
    x = 7,684,152,679,110.01/2,668,351.49
  6. Step 6: Final answer
    x = 2,879,737.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.