Home / 2,217,083.28-3,325,686.84-721,175.28

Finding the Fourth Proportional to 2,217,083.28, 3,325,686.84 and 721,175.28

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Solution

The fourth proportional to 2,217,083.28, 3,325,686.84 and 721,175.28 is: 1,081,783.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,217,083.28 : 3,325,686.84 = 721,175.28 : x
  2. Step 2: Convert to fraction form
    2,217,083.28/3,325,686.84 = 721,175.28/x
  3. Step 3: Cross multiply
    2,217,083.28x = 3,325,686.84 × 721,175.28
  4. Step 4: Simplify right side
    2,217,083.28x = 2,398,403,138,029.32
  5. Step 5: Solve for x
    x = 2,398,403,138,029.32/2,217,083.28
  6. Step 6: Final answer
    x = 1,081,783.06

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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.