Home / 3,128,188.53-4,693,170.57-1,612,976.61

Finding the Fourth Proportional to 3,128,188.53, 4,693,170.57 and 1,612,976.61

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Solution

The fourth proportional to 3,128,188.53, 4,693,170.57 and 1,612,976.61 is: 2,419,922.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,128,188.53 : 4,693,170.57 = 1,612,976.61 : x
  2. Step 2: Convert to fraction form
    3,128,188.53/4,693,170.57 = 1,612,976.61/x
  3. Step 3: Cross multiply
    3,128,188.53x = 4,693,170.57 × 1,612,976.61
  4. Step 4: Simplify right side
    3,128,188.53x = 7,569,974,356,150.37
  5. Step 5: Solve for x
    x = 7,569,974,356,150.37/3,128,188.53
  6. Step 6: Final answer
    x = 2,419,922.68

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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.