Home / 3,855,163.20-5,778,597.60-1,458,081.60

Finding the Fourth Proportional to 3,855,163.20, 5,778,597.60 and 1,458,081.60

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Solution

The fourth proportional to 3,855,163.20, 5,778,597.60 and 1,458,081.60 is: 2,185,553.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,855,163.20 : 5,778,597.60 = 1,458,081.60 : x
  2. Step 2: Convert to fraction form
    3,855,163.20/5,778,597.60 = 1,458,081.60/x
  3. Step 3: Cross multiply
    3,855,163.20x = 5,778,597.60 × 1,458,081.60
  4. Step 4: Simplify right side
    3,855,163.20x = 8,425,666,834,364.16
  5. Step 5: Solve for x
    x = 8,425,666,834,364.16/3,855,163.20
  6. Step 6: Final answer
    x = 2,185,553.87

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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.