Home / 3,020,912.72-4,168,730.69-1,644,258.18

Finding the Fourth Proportional to 3,020,912.72, 4,168,730.69 and 1,644,258.18

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Solution

The fourth proportional to 3,020,912.72, 4,168,730.69 and 1,644,258.18 is: 2,269,006.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,020,912.72 : 4,168,730.69 = 1,644,258.18 : x
  2. Step 2: Convert to fraction form
    3,020,912.72/4,168,730.69 = 1,644,258.18/x
  3. Step 3: Cross multiply
    3,020,912.72x = 4,168,730.69 × 1,644,258.18
  4. Step 4: Simplify right side
    3,020,912.72x = 6,854,469,537,249.54
  5. Step 5: Solve for x
    x = 6,854,469,537,249.54/3,020,912.72
  6. Step 6: Final answer
    x = 2,269,006.15

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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.