Home / 3,192,512-4,405,672.32-1,761,728

Finding the Fourth Proportional to 3,192,512, 4,405,672.32 and 1,761,728

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Solution

The fourth proportional to 3,192,512, 4,405,672.32 and 1,761,728 is: 2,431,187.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,192,512 : 4,405,672.32 = 1,761,728 : x
  2. Step 2: Convert to fraction form
    3,192,512/4,405,672.32 = 1,761,728/x
  3. Step 3: Cross multiply
    3,192,512x = 4,405,672.32 × 1,761,728
  4. Step 4: Simplify right side
    3,192,512x = 7,761,596,284,968.96
  5. Step 5: Solve for x
    x = 7,761,596,284,968.96/3,192,512
  6. Step 6: Final answer
    x = 2,431,187.82

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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.