Home / 3,935,129.56-5,902,905.54-1,239,665.69

Finding the Fourth Proportional to 3,935,129.56, 5,902,905.54 and 1,239,665.69

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Solution

The fourth proportional to 3,935,129.56, 5,902,905.54 and 1,239,665.69 is: 1,859,565.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,935,129.56 : 5,902,905.54 = 1,239,665.69 : x
  2. Step 2: Convert to fraction form
    3,935,129.56/5,902,905.54 = 1,239,665.69/x
  3. Step 3: Cross multiply
    3,935,129.56x = 5,902,905.54 × 1,239,665.69
  4. Step 4: Simplify right side
    3,935,129.56x = 7,317,629,469,248.92
  5. Step 5: Solve for x
    x = 7,317,629,469,248.92/3,935,129.56
  6. Step 6: Final answer
    x = 1,859,565.07

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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.