Home / 3,849,081.45-5,313,060.10-2,218,138.75

Finding the Fourth Proportional to 3,849,081.45, 5,313,060.10 and 2,218,138.75

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Solution

The fourth proportional to 3,849,081.45, 5,313,060.10 and 2,218,138.75 is: 3,061,796.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,849,081.45 : 5,313,060.10 = 2,218,138.75 : x
  2. Step 2: Convert to fraction form
    3,849,081.45/5,313,060.10 = 2,218,138.75/x
  3. Step 3: Cross multiply
    3,849,081.45x = 5,313,060.10 × 2,218,138.75
  4. Step 4: Simplify right side
    3,849,081.45x = 11,785,104,488,888.88
  5. Step 5: Solve for x
    x = 11,785,104,488,888.88/3,849,081.45
  6. Step 6: Final answer
    x = 3,061,796.60

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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.