Home / 3,122,099.19-4,682,791.04-816,814.86

Finding the Fourth Proportional to 3,122,099.19, 4,682,791.04 and 816,814.86

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Solution

The fourth proportional to 3,122,099.19, 4,682,791.04 and 816,814.86 is: 1,225,128.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,122,099.19 : 4,682,791.04 = 816,814.86 : x
  2. Step 2: Convert to fraction form
    3,122,099.19/4,682,791.04 = 816,814.86/x
  3. Step 3: Cross multiply
    3,122,099.19x = 4,682,791.04 × 816,814.86
  4. Step 4: Simplify right side
    3,122,099.19x = 3,824,973,303,662.78
  5. Step 5: Solve for x
    x = 3,824,973,303,662.78/3,122,099.19
  6. Step 6: Final answer
    x = 1,225,128.69

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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.