Home / 2,069,844.30-3,103,639.56-721,644.30

Finding the Fourth Proportional to 2,069,844.30, 3,103,639.56 and 721,644.30

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Solution

The fourth proportional to 2,069,844.30, 3,103,639.56 and 721,644.30 is: 1,082,073.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,069,844.30 : 3,103,639.56 = 721,644.30 : x
  2. Step 2: Convert to fraction form
    2,069,844.30/3,103,639.56 = 721,644.30/x
  3. Step 3: Cross multiply
    2,069,844.30x = 3,103,639.56 × 721,644.30
  4. Step 4: Simplify right side
    2,069,844.30x = 2,239,723,797,728.51
  5. Step 5: Solve for x
    x = 2,239,723,797,728.51/2,069,844.30
  6. Step 6: Final answer
    x = 1,082,073.56

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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.