Home / 3,999,771.87-5,519,669.91-2,164,233.70

Finding the Fourth Proportional to 3,999,771.87, 5,519,669.91 and 2,164,233.70

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Solution

The fourth proportional to 3,999,771.87, 5,519,669.91 and 2,164,233.70 is: 2,986,634.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,999,771.87 : 5,519,669.91 = 2,164,233.70 : x
  2. Step 2: Convert to fraction form
    3,999,771.87/5,519,669.91 = 2,164,233.70/x
  3. Step 3: Cross multiply
    3,999,771.87x = 5,519,669.91 × 2,164,233.70
  4. Step 4: Simplify right side
    3,999,771.87x = 11,945,855,630,881.68
  5. Step 5: Solve for x
    x = 11,945,855,630,881.68/3,999,771.87
  6. Step 6: Final answer
    x = 2,986,634.25

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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.