Home / 2,108,371.56-3,163,858.61-828,755.13

Finding the Fourth Proportional to 2,108,371.56, 3,163,858.61 and 828,755.13

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Solution

The fourth proportional to 2,108,371.56, 3,163,858.61 and 828,755.13 is: 1,243,644.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,108,371.56 : 3,163,858.61 = 828,755.13 : x
  2. Step 2: Convert to fraction form
    2,108,371.56/3,163,858.61 = 828,755.13/x
  3. Step 3: Cross multiply
    2,108,371.56x = 3,163,858.61 × 828,755.13
  4. Step 4: Simplify right side
    2,108,371.56x = 2,622,064,049,488.39
  5. Step 5: Solve for x
    x = 2,622,064,049,488.39/2,108,371.56
  6. Step 6: Final answer
    x = 1,243,644.19

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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.