Home / 3,609,636.72-4,981,299.48-2,159,392.56

Finding the Fourth Proportional to 3,609,636.72, 4,981,299.48 and 2,159,392.56

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Solution

The fourth proportional to 3,609,636.72, 4,981,299.48 and 2,159,392.56 is: 2,979,962.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,609,636.72 : 4,981,299.48 = 2,159,392.56 : x
  2. Step 2: Convert to fraction form
    3,609,636.72/4,981,299.48 = 2,159,392.56/x
  3. Step 3: Cross multiply
    3,609,636.72x = 4,981,299.48 × 2,159,392.56
  4. Step 4: Simplify right side
    3,609,636.72x = 10,756,581,036,243.87
  5. Step 5: Solve for x
    x = 10,756,581,036,243.87/3,609,636.72
  6. Step 6: Final answer
    x = 2,979,962.22

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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.