Home / 3,108,974.64-4,663,629.12-979,225.44

Finding the Fourth Proportional to 3,108,974.64, 4,663,629.12 and 979,225.44

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Solution

The fourth proportional to 3,108,974.64, 4,663,629.12 and 979,225.44 is: 1,468,890.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,108,974.64 : 4,663,629.12 = 979,225.44 : x
  2. Step 2: Convert to fraction form
    3,108,974.64/4,663,629.12 = 979,225.44/x
  3. Step 3: Cross multiply
    3,108,974.64x = 4,663,629.12 × 979,225.44
  4. Step 4: Simplify right side
    3,108,974.64x = 4,566,744,277,028.81
  5. Step 5: Solve for x
    x = 4,566,744,277,028.81/3,108,974.64
  6. Step 6: Final answer
    x = 1,468,890.81

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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.