Home / 3,391,404.25-4,680,136.79-1,863,609.79

Finding the Fourth Proportional to 3,391,404.25, 4,680,136.79 and 1,863,609.79

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Solution

The fourth proportional to 3,391,404.25, 4,680,136.79 and 1,863,609.79 is: 2,571,780.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,391,404.25 : 4,680,136.79 = 1,863,609.79 : x
  2. Step 2: Convert to fraction form
    3,391,404.25/4,680,136.79 = 1,863,609.79/x
  3. Step 3: Cross multiply
    3,391,404.25x = 4,680,136.79 × 1,863,609.79
  4. Step 4: Simplify right side
    3,391,404.25x = 8,721,948,740,383.18
  5. Step 5: Solve for x
    x = 8,721,948,740,383.18/3,391,404.25
  6. Step 6: Final answer
    x = 2,571,780.92

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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.