Home / 3,008,681.20-4,508,778.21-1,661,450.32

Finding the Fourth Proportional to 3,008,681.20, 4,508,778.21 and 1,661,450.32

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Solution

The fourth proportional to 3,008,681.20, 4,508,778.21 and 1,661,450.32 is: 2,489,832.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,008,681.20 : 4,508,778.21 = 1,661,450.32 : x
  2. Step 2: Convert to fraction form
    3,008,681.20/4,508,778.21 = 1,661,450.32/x
  3. Step 3: Cross multiply
    3,008,681.20x = 4,508,778.21 × 1,661,450.32
  4. Step 4: Simplify right side
    3,008,681.20x = 7,491,110,999,813.53
  5. Step 5: Solve for x
    x = 7,491,110,999,813.53/3,008,681.20
  6. Step 6: Final answer
    x = 2,489,832.09

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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.