Home / 3,162,222.60-4,371,221.82-2,821,436.16

Finding the Fourth Proportional to 3,162,222.60, 4,371,221.82 and 2,821,436.16

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Solution

The fourth proportional to 3,162,222.60, 4,371,221.82 and 2,821,436.16 is: 3,900,143.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,162,222.60 : 4,371,221.82 = 2,821,436.16 : x
  2. Step 2: Convert to fraction form
    3,162,222.60/4,371,221.82 = 2,821,436.16/x
  3. Step 3: Cross multiply
    3,162,222.60x = 4,371,221.82 × 2,821,436.16
  4. Step 4: Simplify right side
    3,162,222.60x = 12,333,123,306,329.01
  5. Step 5: Solve for x
    x = 12,333,123,306,329.01/3,162,222.60
  6. Step 6: Final answer
    x = 3,900,143.94

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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.