Home / 3,991,588.09-5,508,393.77-2,156,046.36

Finding the Fourth Proportional to 3,991,588.09, 5,508,393.77 and 2,156,046.36

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Solution

The fourth proportional to 3,991,588.09, 5,508,393.77 and 2,156,046.36 is: 2,975,345.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,991,588.09 : 5,508,393.77 = 2,156,046.36 : x
  2. Step 2: Convert to fraction form
    3,991,588.09/5,508,393.77 = 2,156,046.36/x
  3. Step 3: Cross multiply
    3,991,588.09x = 5,508,393.77 × 2,156,046.36
  4. Step 4: Simplify right side
    3,991,588.09x = 11,876,352,340,845.77
  5. Step 5: Solve for x
    x = 11,876,352,340,845.77/3,991,588.09
  6. Step 6: Final answer
    x = 2,975,345.17

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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.