Home / 3,180,116.16-4,768,247.79-1,427,073.54

Finding the Fourth Proportional to 3,180,116.16, 4,768,247.79 and 1,427,073.54

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Solution

The fourth proportional to 3,180,116.16, 4,768,247.79 and 1,427,073.54 is: 2,139,745.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,180,116.16 : 4,768,247.79 = 1,427,073.54 : x
  2. Step 2: Convert to fraction form
    3,180,116.16/4,768,247.79 = 1,427,073.54/x
  3. Step 3: Cross multiply
    3,180,116.16x = 4,768,247.79 × 1,427,073.54
  4. Step 4: Simplify right side
    3,180,116.16x = 6,804,640,253,272.48
  5. Step 5: Solve for x
    x = 6,804,640,253,272.48/3,180,116.16
  6. Step 6: Final answer
    x = 2,139,745.82

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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.