Home / 2,240,858.16-3,359,712.72-820,729.68

Finding the Fourth Proportional to 2,240,858.16, 3,359,712.72 and 820,729.68

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Solution

The fourth proportional to 2,240,858.16, 3,359,712.72 and 820,729.68 is: 1,230,517.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,240,858.16 : 3,359,712.72 = 820,729.68 : x
  2. Step 2: Convert to fraction form
    2,240,858.16/3,359,712.72 = 820,729.68/x
  3. Step 3: Cross multiply
    2,240,858.16x = 3,359,712.72 × 820,729.68
  4. Step 4: Simplify right side
    2,240,858.16x = 2,757,415,945,577.53
  5. Step 5: Solve for x
    x = 2,757,415,945,577.53/2,240,858.16
  6. Step 6: Final answer
    x = 1,230,517.84

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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.