Home / 3,853,879.36-5,317,965.88-2,134,678.64

Finding the Fourth Proportional to 3,853,879.36, 5,317,965.88 and 2,134,678.64

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Solution

The fourth proportional to 3,853,879.36, 5,317,965.88 and 2,134,678.64 is: 2,945,641.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,853,879.36 : 5,317,965.88 = 2,134,678.64 : x
  2. Step 2: Convert to fraction form
    3,853,879.36/5,317,965.88 = 2,134,678.64/x
  3. Step 3: Cross multiply
    3,853,879.36x = 5,317,965.88 × 2,134,678.64
  4. Step 4: Simplify right side
    3,853,879.36x = 11,352,148,172,284.80
  5. Step 5: Solve for x
    x = 11,352,148,172,284.80/3,853,879.36
  6. Step 6: Final answer
    x = 2,945,641.81

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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.