Home / 5,310,640.80-7,965,961.20-3,610,029.60

Finding the Fourth Proportional to 5,310,640.80, 7,965,961.20 and 3,610,029.60

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Solution

The fourth proportional to 5,310,640.80, 7,965,961.20 and 3,610,029.60 is: 5,415,044.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,310,640.80 : 7,965,961.20 = 3,610,029.60 : x
  2. Step 2: Convert to fraction form
    5,310,640.80/7,965,961.20 = 3,610,029.60/x
  3. Step 3: Cross multiply
    5,310,640.80x = 7,965,961.20 × 3,610,029.60
  4. Step 4: Simplify right side
    5,310,640.80x = 28,757,355,724,451.52
  5. Step 5: Solve for x
    x = 28,757,355,724,451.52/5,310,640.80
  6. Step 6: Final answer
    x = 5,415,044.40

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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.