Home / 4,857,881.97-7,289,344.83-1,981,359.15

Finding the Fourth Proportional to 4,857,881.97, 7,289,344.83 and 1,981,359.15

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Solution

The fourth proportional to 4,857,881.97, 7,289,344.83 and 1,981,359.15 is: 2,973,067.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,857,881.97 : 7,289,344.83 = 1,981,359.15 : x
  2. Step 2: Convert to fraction form
    4,857,881.97/7,289,344.83 = 1,981,359.15/x
  3. Step 3: Cross multiply
    4,857,881.97x = 7,289,344.83 × 1,981,359.15
  4. Step 4: Simplify right side
    4,857,881.97x = 14,442,810,076,425.69
  5. Step 5: Solve for x
    x = 14,442,810,076,425.69/4,857,881.97
  6. Step 6: Final answer
    x = 2,973,067.31

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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.