Home / 2,868,131.54-3,958,252.88-1,644,550.91

Finding the Fourth Proportional to 2,868,131.54, 3,958,252.88 and 1,644,550.91

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Solution

The fourth proportional to 2,868,131.54, 3,958,252.88 and 1,644,550.91 is: 2,269,612.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,868,131.54 : 3,958,252.88 = 1,644,550.91 : x
  2. Step 2: Convert to fraction form
    2,868,131.54/3,958,252.88 = 1,644,550.91/x
  3. Step 3: Cross multiply
    2,868,131.54x = 3,958,252.88 × 1,644,550.91
  4. Step 4: Simplify right side
    2,868,131.54x = 6,509,548,375,814.12
  5. Step 5: Solve for x
    x = 6,509,548,375,814.12/2,868,131.54
  6. Step 6: Final answer
    x = 2,269,612.91

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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.