Home / 3,786,825.72-5,680,288.80-1,262,481.84

Finding the Fourth Proportional to 3,786,825.72, 5,680,288.80 and 1,262,481.84

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Solution

The fourth proportional to 3,786,825.72, 5,680,288.80 and 1,262,481.84 is: 1,893,739.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,786,825.72 : 5,680,288.80 = 1,262,481.84 : x
  2. Step 2: Convert to fraction form
    3,786,825.72/5,680,288.80 = 1,262,481.84/x
  3. Step 3: Cross multiply
    3,786,825.72x = 5,680,288.80 × 1,262,481.84
  4. Step 4: Simplify right side
    3,786,825.72x = 7,171,261,455,955.39
  5. Step 5: Solve for x
    x = 7,171,261,455,955.39/3,786,825.72
  6. Step 6: Final answer
    x = 1,893,739.50

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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.