Home / 2,618,306.91-3,927,458.48-821,329.20

Finding the Fourth Proportional to 2,618,306.91, 3,927,458.48 and 821,329.20

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Solution

The fourth proportional to 2,618,306.91, 3,927,458.48 and 821,329.20 is: 1,231,993.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,618,306.91 : 3,927,458.48 = 821,329.20 : x
  2. Step 2: Convert to fraction form
    2,618,306.91/3,927,458.48 = 821,329.20/x
  3. Step 3: Cross multiply
    2,618,306.91x = 3,927,458.48 × 821,329.20
  4. Step 4: Simplify right side
    2,618,306.91x = 3,225,736,327,304.97
  5. Step 5: Solve for x
    x = 3,225,736,327,304.97/2,618,306.91
  6. Step 6: Final answer
    x = 1,231,993.21

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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.