Home / 3,866,131.48-5,335,184.46-2,147,193.22

Finding the Fourth Proportional to 3,866,131.48, 5,335,184.46 and 2,147,193.22

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Solution

The fourth proportional to 3,866,131.48, 5,335,184.46 and 2,147,193.22 is: 2,963,083.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,866,131.48 : 5,335,184.46 = 2,147,193.22 : x
  2. Step 2: Convert to fraction form
    3,866,131.48/5,335,184.46 = 2,147,193.22/x
  3. Step 3: Cross multiply
    3,866,131.48x = 5,335,184.46 × 2,147,193.22
  4. Step 4: Simplify right side
    3,866,131.48x = 11,455,671,899,961.36
  5. Step 5: Solve for x
    x = 11,455,671,899,961.36/3,866,131.48
  6. Step 6: Final answer
    x = 2,963,083.89

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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.