Home / 2,218,939.25-3,328,598.21-779,496.86

Finding the Fourth Proportional to 2,218,939.25, 3,328,598.21 and 779,496.86

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Solution

The fourth proportional to 2,218,939.25, 3,328,598.21 and 779,496.86 is: 1,169,311.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,218,939.25 : 3,328,598.21 = 779,496.86 : x
  2. Step 2: Convert to fraction form
    2,218,939.25/3,328,598.21 = 779,496.86/x
  3. Step 3: Cross multiply
    2,218,939.25x = 3,328,598.21 × 779,496.86
  4. Step 4: Simplify right side
    2,218,939.25x = 2,594,631,838,202.37
  5. Step 5: Solve for x
    x = 2,594,631,838,202.37/2,218,939.25
  6. Step 6: Final answer
    x = 1,169,311.79

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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.