Home / 5,905,215-8,149,196.70-3,188,961

Finding the Fourth Proportional to 5,905,215, 8,149,196.70 and 3,188,961

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Solution

The fourth proportional to 5,905,215, 8,149,196.70 and 3,188,961 is: 4,400,766.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,905,215 : 8,149,196.70 = 3,188,961 : x
  2. Step 2: Convert to fraction form
    5,905,215/8,149,196.70 = 3,188,961/x
  3. Step 3: Cross multiply
    5,905,215x = 8,149,196.70 × 3,188,961
  4. Step 4: Simplify right side
    5,905,215x = 25,987,470,457,628.70
  5. Step 5: Solve for x
    x = 25,987,470,457,628.70/5,905,215
  6. Step 6: Final answer
    x = 4,400,766.18

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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.