Home / 4,813,212.80-7,219,819.20-4,272,003.20

Finding the Fourth Proportional to 4,813,212.80, 7,219,819.20 and 4,272,003.20

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Solution

The fourth proportional to 4,813,212.80, 7,219,819.20 and 4,272,003.20 is: 6,408,004.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,813,212.80 : 7,219,819.20 = 4,272,003.20 : x
  2. Step 2: Convert to fraction form
    4,813,212.80/7,219,819.20 = 4,272,003.20/x
  3. Step 3: Cross multiply
    4,813,212.80x = 7,219,819.20 × 4,272,003.20
  4. Step 4: Simplify right side
    4,813,212.80x = 30,843,090,725,821.44
  5. Step 5: Solve for x
    x = 30,843,090,725,821.44/4,813,212.80
  6. Step 6: Final answer
    x = 6,408,004.80

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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.