Home / 2,617,680.33-3,926,521.64-820,703.89

Finding the Fourth Proportional to 2,617,680.33, 3,926,521.64 and 820,703.89

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Solution

The fourth proportional to 2,617,680.33, 3,926,521.64 and 820,703.89 is: 1,231,056.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,617,680.33 : 3,926,521.64 = 820,703.89 : x
  2. Step 2: Convert to fraction form
    2,617,680.33/3,926,521.64 = 820,703.89/x
  3. Step 3: Cross multiply
    2,617,680.33x = 3,926,521.64 × 820,703.89
  4. Step 4: Simplify right side
    2,617,680.33x = 3,222,511,570,197.36
  5. Step 5: Solve for x
    x = 3,222,511,570,197.36/2,617,680.33
  6. Step 6: Final answer
    x = 1,231,056.19

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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.