Home / 5,485,983.20-8,233,640.40-2,458,008.80

Finding the Fourth Proportional to 5,485,983.20, 8,233,640.40 and 2,458,008.80

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Solution

The fourth proportional to 5,485,983.20, 8,233,640.40 and 2,458,008.80 is: 3,689,103.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,485,983.20 : 8,233,640.40 = 2,458,008.80 : x
  2. Step 2: Convert to fraction form
    5,485,983.20/8,233,640.40 = 2,458,008.80/x
  3. Step 3: Cross multiply
    5,485,983.20x = 8,233,640.40 × 2,458,008.80
  4. Step 4: Simplify right side
    5,485,983.20x = 20,238,360,559,235.52
  5. Step 5: Solve for x
    x = 20,238,360,559,235.52/5,485,983.20
  6. Step 6: Final answer
    x = 3,689,103.63

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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.