Home / 2,179,055.12-3,268,599.08-759,108.92

Finding the Fourth Proportional to 2,179,055.12, 3,268,599.08 and 759,108.92

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Solution

The fourth proportional to 2,179,055.12, 3,268,599.08 and 759,108.92 is: 1,138,669.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,179,055.12 : 3,268,599.08 = 759,108.92 : x
  2. Step 2: Convert to fraction form
    2,179,055.12/3,268,599.08 = 759,108.92/x
  3. Step 3: Cross multiply
    2,179,055.12x = 3,268,599.08 × 759,108.92
  4. Step 4: Simplify right side
    2,179,055.12x = 2,481,222,697,393.25
  5. Step 5: Solve for x
    x = 2,481,222,697,393.25/2,179,055.12
  6. Step 6: Final answer
    x = 1,138,669.09

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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.