Home / 3,886,833-5,363,815.68-2,167,952.28

Finding the Fourth Proportional to 3,886,833, 5,363,815.68 and 2,167,952.28

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Solution

The fourth proportional to 3,886,833, 5,363,815.68 and 2,167,952.28 is: 2,991,766.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,886,833 : 5,363,815.68 = 2,167,952.28 : x
  2. Step 2: Convert to fraction form
    3,886,833/5,363,815.68 = 2,167,952.28/x
  3. Step 3: Cross multiply
    3,886,833x = 5,363,815.68 × 2,167,952.28
  4. Step 4: Simplify right side
    3,886,833x = 11,628,496,432,955.75
  5. Step 5: Solve for x
    x = 11,628,496,432,955.75/3,886,833
  6. Step 6: Final answer
    x = 2,991,766.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.