Home / 3,789,046.76-5,679,739.64-1,631,478.92

Finding the Fourth Proportional to 3,789,046.76, 5,679,739.64 and 1,631,478.92

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Solution

The fourth proportional to 3,789,046.76, 5,679,739.64 and 1,631,478.92 is: 2,445,569.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,789,046.76 : 5,679,739.64 = 1,631,478.92 : x
  2. Step 2: Convert to fraction form
    3,789,046.76/5,679,739.64 = 1,631,478.92/x
  3. Step 3: Cross multiply
    3,789,046.76x = 5,679,739.64 × 1,631,478.92
  4. Step 4: Simplify right side
    3,789,046.76x = 9,266,375,469,428.39
  5. Step 5: Solve for x
    x = 9,266,375,469,428.39/3,789,046.76
  6. Step 6: Final answer
    x = 2,445,569.05

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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.