Home / 6,145,659.78-8,481,009.12-3,392,346.54

Finding the Fourth Proportional to 6,145,659.78, 8,481,009.12 and 3,392,346.54

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Solution

The fourth proportional to 6,145,659.78, 8,481,009.12 and 3,392,346.54 is: 4,681,437.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,145,659.78 : 8,481,009.12 = 3,392,346.54 : x
  2. Step 2: Convert to fraction form
    6,145,659.78/8,481,009.12 = 3,392,346.54/x
  3. Step 3: Cross multiply
    6,145,659.78x = 8,481,009.12 × 3,392,346.54
  4. Step 4: Simplify right side
    6,145,659.78x = 28,770,521,943,940.44
  5. Step 5: Solve for x
    x = 28,770,521,943,940.44/6,145,659.78
  6. Step 6: Final answer
    x = 4,681,437.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.