Home / 2,218,209.81-3,061,138.75-1,199,614.57

Finding the Fourth Proportional to 2,218,209.81, 3,061,138.75 and 1,199,614.57

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Solution

The fourth proportional to 2,218,209.81, 3,061,138.75 and 1,199,614.57 is: 1,655,473.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,218,209.81 : 3,061,138.75 = 1,199,614.57 : x
  2. Step 2: Convert to fraction form
    2,218,209.81/3,061,138.75 = 1,199,614.57/x
  3. Step 3: Cross multiply
    2,218,209.81x = 3,061,138.75 × 1,199,614.57
  4. Step 4: Simplify right side
    2,218,209.81x = 3,672,186,645,291.59
  5. Step 5: Solve for x
    x = 3,672,186,645,291.59/2,218,209.81
  6. Step 6: Final answer
    x = 1,655,473.09

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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.