Home / 3,217,146.22-4,825,715.29-820,990.85

Finding the Fourth Proportional to 3,217,146.22, 4,825,715.29 and 820,990.85

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Solution

The fourth proportional to 3,217,146.22, 4,825,715.29 and 820,990.85 is: 1,231,485.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,217,146.22 : 4,825,715.29 = 820,990.85 : x
  2. Step 2: Convert to fraction form
    3,217,146.22/4,825,715.29 = 820,990.85/x
  3. Step 3: Cross multiply
    3,217,146.22x = 4,825,715.29 × 820,990.85
  4. Step 4: Simplify right side
    3,217,146.22x = 3,961,868,097,795.10
  5. Step 5: Solve for x
    x = 3,961,868,097,795.10/3,217,146.22
  6. Step 6: Final answer
    x = 1,231,485.24

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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.