Home / 3,538,731.90-4,873,342.86-3,186,876.36

Finding the Fourth Proportional to 3,538,731.90, 4,873,342.86 and 3,186,876.36

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Solution

The fourth proportional to 3,538,731.90, 4,873,342.86 and 3,186,876.36 is: 4,388,787.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,538,731.90 : 4,873,342.86 = 3,186,876.36 : x
  2. Step 2: Convert to fraction form
    3,538,731.90/4,873,342.86 = 3,186,876.36/x
  3. Step 3: Cross multiply
    3,538,731.90x = 4,873,342.86 × 3,186,876.36
  4. Step 4: Simplify right side
    3,538,731.90x = 15,530,741,154,708.79
  5. Step 5: Solve for x
    x = 15,530,741,154,708.79/3,538,731.90
  6. Step 6: Final answer
    x = 4,388,787.17

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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.