Home / 5,198,893.76-7,800,187.44-2,319,998.64

Finding the Fourth Proportional to 5,198,893.76, 7,800,187.44 and 2,319,998.64

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Solution

The fourth proportional to 5,198,893.76, 7,800,187.44 and 2,319,998.64 is: 3,480,822.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,198,893.76 : 7,800,187.44 = 2,319,998.64 : x
  2. Step 2: Convert to fraction form
    5,198,893.76/7,800,187.44 = 2,319,998.64/x
  3. Step 3: Cross multiply
    5,198,893.76x = 7,800,187.44 × 2,319,998.64
  4. Step 4: Simplify right side
    5,198,893.76x = 18,096,424,252,545.08
  5. Step 5: Solve for x
    x = 18,096,424,252,545.08/5,198,893.76
  6. Step 6: Final answer
    x = 3,480,822.09

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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.