Home / 3,620,823.92-4,996,825.04-1,989,336.96

Finding the Fourth Proportional to 3,620,823.92, 4,996,825.04 and 1,989,336.96

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Solution

The fourth proportional to 3,620,823.92, 4,996,825.04 and 1,989,336.96 is: 2,745,333.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,620,823.92 : 4,996,825.04 = 1,989,336.96 : x
  2. Step 2: Convert to fraction form
    3,620,823.92/4,996,825.04 = 1,989,336.96/x
  3. Step 3: Cross multiply
    3,620,823.92x = 4,996,825.04 × 1,989,336.96
  4. Step 4: Simplify right side
    3,620,823.92x = 9,940,368,734,725.48
  5. Step 5: Solve for x
    x = 9,940,368,734,725.48/3,620,823.92
  6. Step 6: Final answer
    x = 2,745,333.37

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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.