Home / 2,117,645.70-3,176,468.55-854,823.30

Finding the Fourth Proportional to 2,117,645.70, 3,176,468.55 and 854,823.30

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Solution

The fourth proportional to 2,117,645.70, 3,176,468.55 and 854,823.30 is: 1,282,234.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,117,645.70 : 3,176,468.55 = 854,823.30 : x
  2. Step 2: Convert to fraction form
    2,117,645.70/3,176,468.55 = 854,823.30/x
  3. Step 3: Cross multiply
    2,117,645.70x = 3,176,468.55 × 854,823.30
  4. Step 4: Simplify right side
    2,117,645.70x = 2,715,319,328,257.22
  5. Step 5: Solve for x
    x = 2,715,319,328,257.22/2,117,645.70
  6. Step 6: Final answer
    x = 1,282,234.95

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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.