Home / 2,172,664.80-3,259,774.80-910,879.20

Finding the Fourth Proportional to 2,172,664.80, 3,259,774.80 and 910,879.20

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Solution

The fourth proportional to 2,172,664.80, 3,259,774.80 and 910,879.20 is: 1,366,644.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,172,664.80 : 3,259,774.80 = 910,879.20 : x
  2. Step 2: Convert to fraction form
    2,172,664.80/3,259,774.80 = 910,879.20/x
  3. Step 3: Cross multiply
    2,172,664.80x = 3,259,774.80 × 910,879.20
  4. Step 4: Simplify right side
    2,172,664.80x = 2,969,261,062,004.16
  5. Step 5: Solve for x
    x = 2,969,261,062,004.16/2,172,664.80
  6. Step 6: Final answer
    x = 1,366,644.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.