Home / 2,651,609.88-3,978,424.68-922,671.81

Finding the Fourth Proportional to 2,651,609.88, 3,978,424.68 and 922,671.81

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Solution

The fourth proportional to 2,651,609.88, 3,978,424.68 and 922,671.81 is: 1,384,359.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,651,609.88 : 3,978,424.68 = 922,671.81 : x
  2. Step 2: Convert to fraction form
    2,651,609.88/3,978,424.68 = 922,671.81/x
  3. Step 3: Cross multiply
    2,651,609.88x = 3,978,424.68 × 922,671.81
  4. Step 4: Simplify right side
    2,651,609.88x = 3,670,780,296,984.25
  5. Step 5: Solve for x
    x = 3,670,780,296,984.25/2,651,609.88
  6. Step 6: Final answer
    x = 1,384,359.11

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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.