Home / 3,686,078.30-5,086,811.67-2,054,589.12

Finding the Fourth Proportional to 3,686,078.30, 5,086,811.67 and 2,054,589.12

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Solution

The fourth proportional to 3,686,078.30, 5,086,811.67 and 2,054,589.12 is: 2,835,346.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,686,078.30 : 5,086,811.67 = 2,054,589.12 : x
  2. Step 2: Convert to fraction form
    3,686,078.30/5,086,811.67 = 2,054,589.12/x
  3. Step 3: Cross multiply
    3,686,078.30x = 5,086,811.67 × 2,054,589.12
  4. Step 4: Simplify right side
    3,686,078.30x = 10,451,307,912,671.03
  5. Step 5: Solve for x
    x = 10,451,307,912,671.03/3,686,078.30
  6. Step 6: Final answer
    x = 2,835,346.15

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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.