Home / 4,122,371.80-6,181,808.10-1,993,108.60

Finding the Fourth Proportional to 4,122,371.80, 6,181,808.10 and 1,993,108.60

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Solution

The fourth proportional to 4,122,371.80, 6,181,808.10 and 1,993,108.60 is: 2,988,816.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,122,371.80 : 6,181,808.10 = 1,993,108.60 : x
  2. Step 2: Convert to fraction form
    4,122,371.80/6,181,808.10 = 1,993,108.60/x
  3. Step 3: Cross multiply
    4,122,371.80x = 6,181,808.10 × 1,993,108.60
  4. Step 4: Simplify right side
    4,122,371.80x = 12,321,014,887,659.66
  5. Step 5: Solve for x
    x = 12,321,014,887,659.66/4,122,371.80
  6. Step 6: Final answer
    x = 2,988,816.99

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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.