Home / 3,105,945.42-4,658,218.26-1,211,711.82

Finding the Fourth Proportional to 3,105,945.42, 4,658,218.26 and 1,211,711.82

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Solution

The fourth proportional to 3,105,945.42, 4,658,218.26 and 1,211,711.82 is: 1,817,294.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,105,945.42 : 4,658,218.26 = 1,211,711.82 : x
  2. Step 2: Convert to fraction form
    3,105,945.42/4,658,218.26 = 1,211,711.82/x
  3. Step 3: Cross multiply
    3,105,945.42x = 4,658,218.26 × 1,211,711.82
  4. Step 4: Simplify right side
    3,105,945.42x = 5,644,418,125,781.83
  5. Step 5: Solve for x
    x = 5,644,418,125,781.83/3,105,945.42
  6. Step 6: Final answer
    x = 1,817,294.69

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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.