Home / 2,179,903.24-3,270,407.82-684,008.20

Finding the Fourth Proportional to 2,179,903.24, 3,270,407.82 and 684,008.20

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Solution

The fourth proportional to 2,179,903.24, 3,270,407.82 and 684,008.20 is: 1,026,185.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,179,903.24 : 3,270,407.82 = 684,008.20 : x
  2. Step 2: Convert to fraction form
    2,179,903.24/3,270,407.82 = 684,008.20/x
  3. Step 3: Cross multiply
    2,179,903.24x = 3,270,407.82 × 684,008.20
  4. Step 4: Simplify right side
    2,179,903.24x = 2,236,985,766,224.12
  5. Step 5: Solve for x
    x = 2,236,985,766,224.12/2,179,903.24
  6. Step 6: Final answer
    x = 1,026,185.81

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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.