Home / 4,816,564.76-7,219,789.74-1,620,581.48

Finding the Fourth Proportional to 4,816,564.76, 7,219,789.74 and 1,620,581.48

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Solution

The fourth proportional to 4,816,564.76, 7,219,789.74 and 1,620,581.48 is: 2,429,170.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,816,564.76 : 7,219,789.74 = 1,620,581.48 : x
  2. Step 2: Convert to fraction form
    4,816,564.76/7,219,789.74 = 1,620,581.48/x
  3. Step 3: Cross multiply
    4,816,564.76x = 7,219,789.74 × 1,620,581.48
  4. Step 4: Simplify right side
    4,816,564.76x = 11,700,257,542,138.02
  5. Step 5: Solve for x
    x = 11,700,257,542,138.02/4,816,564.76
  6. Step 6: Final answer
    x = 2,429,170.61

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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.