Home / 3,217,137.18-4,825,702.65-820,981.83

Finding the Fourth Proportional to 3,217,137.18, 4,825,702.65 and 820,981.83

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Solution

The fourth proportional to 3,217,137.18, 4,825,702.65 and 820,981.83 is: 1,231,471.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,217,137.18 : 4,825,702.65 = 820,981.83 : x
  2. Step 2: Convert to fraction form
    3,217,137.18/4,825,702.65 = 820,981.83/x
  3. Step 3: Cross multiply
    3,217,137.18x = 4,825,702.65 × 820,981.83
  4. Step 4: Simplify right side
    3,217,137.18x = 3,961,814,192,632.85
  5. Step 5: Solve for x
    x = 3,961,814,192,632.85/3,217,137.18
  6. Step 6: Final answer
    x = 1,231,471.95

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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.