Home / 2,171,702.77-2,997,309.57-1,205,143.54

Finding the Fourth Proportional to 2,171,702.77, 2,997,309.57 and 1,205,143.54

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Solution

The fourth proportional to 2,171,702.77, 2,997,309.57 and 1,205,143.54 is: 1,663,297.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,171,702.77 : 2,997,309.57 = 1,205,143.54 : x
  2. Step 2: Convert to fraction form
    2,171,702.77/2,997,309.57 = 1,205,143.54/x
  3. Step 3: Cross multiply
    2,171,702.77x = 2,997,309.57 × 1,205,143.54
  4. Step 4: Simplify right side
    2,171,702.77x = 3,612,188,265,665.68
  5. Step 5: Solve for x
    x = 3,612,188,265,665.68/2,171,702.77
  6. Step 6: Final answer
    x = 1,663,297.72

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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.