Home / 5,090,894.20-7,025,286.03-2,885,961.46

Finding the Fourth Proportional to 5,090,894.20, 7,025,286.03 and 2,885,961.46

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Solution

The fourth proportional to 5,090,894.20, 7,025,286.03 and 2,885,961.46 is: 3,982,542.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,090,894.20 : 7,025,286.03 = 2,885,961.46 : x
  2. Step 2: Convert to fraction form
    5,090,894.20/7,025,286.03 = 2,885,961.46/x
  3. Step 3: Cross multiply
    5,090,894.20x = 7,025,286.03 × 2,885,961.46
  4. Step 4: Simplify right side
    5,090,894.20x = 20,274,704,728,056.40
  5. Step 5: Solve for x
    x = 20,274,704,728,056.40/5,090,894.20
  6. Step 6: Final answer
    x = 3,982,542.93

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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.