Home / 2,136,691.78-2,948,634.77-1,169,822.15

Finding the Fourth Proportional to 2,136,691.78, 2,948,634.77 and 1,169,822.15

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Solution

The fourth proportional to 2,136,691.78, 2,948,634.77 and 1,169,822.15 is: 1,614,354.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,136,691.78 : 2,948,634.77 = 1,169,822.15 : x
  2. Step 2: Convert to fraction form
    2,136,691.78/2,948,634.77 = 1,169,822.15/x
  3. Step 3: Cross multiply
    2,136,691.78x = 2,948,634.77 × 1,169,822.15
  4. Step 4: Simplify right side
    2,136,691.78x = 3,449,378,256,671.25
  5. Step 5: Solve for x
    x = 3,449,378,256,671.25/2,136,691.78
  6. Step 6: Final answer
    x = 1,614,354.63

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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.