Home / 4,838,789.40-7,251,185.70-2,140,906.20

Finding the Fourth Proportional to 4,838,789.40, 7,251,185.70 and 2,140,906.20

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Solution

The fourth proportional to 4,838,789.40, 7,251,185.70 and 2,140,906.20 is: 3,208,262.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,838,789.40 : 7,251,185.70 = 2,140,906.20 : x
  2. Step 2: Convert to fraction form
    4,838,789.40/7,251,185.70 = 2,140,906.20/x
  3. Step 3: Cross multiply
    4,838,789.40x = 7,251,185.70 × 2,140,906.20
  4. Step 4: Simplify right side
    4,838,789.40x = 15,524,108,422,481.34
  5. Step 5: Solve for x
    x = 15,524,108,422,481.34/4,838,789.40
  6. Step 6: Final answer
    x = 3,208,262.88

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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.