Home / 3,313,291.89-4,969,944.66-917,143.61

Finding the Fourth Proportional to 3,313,291.89, 4,969,944.66 and 917,143.61

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Solution

The fourth proportional to 3,313,291.89, 4,969,944.66 and 917,143.61 is: 1,375,717.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,313,291.89 : 4,969,944.66 = 917,143.61 : x
  2. Step 2: Convert to fraction form
    3,313,291.89/4,969,944.66 = 917,143.61/x
  3. Step 3: Cross multiply
    3,313,291.89x = 4,969,944.66 × 917,143.61
  4. Step 4: Simplify right side
    3,313,291.89x = 4,558,152,986,972.62
  5. Step 5: Solve for x
    x = 4,558,152,986,972.62/3,313,291.89
  6. Step 6: Final answer
    x = 1,375,717.30

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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.