Home / 3,917,558.40-5,869,339.20-3,203,721.60

Finding the Fourth Proportional to 3,917,558.40, 5,869,339.20 and 3,203,721.60

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Solution

The fourth proportional to 3,917,558.40, 5,869,339.20 and 3,203,721.60 is: 4,799,859.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,917,558.40 : 5,869,339.20 = 3,203,721.60 : x
  2. Step 2: Convert to fraction form
    3,917,558.40/5,869,339.20 = 3,203,721.60/x
  3. Step 3: Cross multiply
    3,917,558.40x = 5,869,339.20 × 3,203,721.60
  4. Step 4: Simplify right side
    3,917,558.40x = 18,803,728,772,766.72
  5. Step 5: Solve for x
    x = 18,803,728,772,766.72/3,917,558.40
  6. Step 6: Final answer
    x = 4,799,859.21

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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.