Home / 3,853,764.78-5,317,519.47-2,199,156.45

Finding the Fourth Proportional to 3,853,764.78, 5,317,519.47 and 2,199,156.45

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Solution

The fourth proportional to 3,853,764.78, 5,317,519.47 and 2,199,156.45 is: 3,034,450.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,853,764.78 : 5,317,519.47 = 2,199,156.45 : x
  2. Step 2: Convert to fraction form
    3,853,764.78/5,317,519.47 = 2,199,156.45/x
  3. Step 3: Cross multiply
    3,853,764.78x = 5,317,519.47 × 2,199,156.45
  4. Step 4: Simplify right side
    3,853,764.78x = 11,694,057,240,451.08
  5. Step 5: Solve for x
    x = 11,694,057,240,451.08/3,853,764.78
  6. Step 6: Final answer
    x = 3,034,450.18

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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.