Home / 2,172,171.30-3,257,272.80-823,885.80

Finding the Fourth Proportional to 2,172,171.30, 3,257,272.80 and 823,885.80

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Solution

The fourth proportional to 2,172,171.30, 3,257,272.80 and 823,885.80 is: 1,235,455.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,172,171.30 : 3,257,272.80 = 823,885.80 : x
  2. Step 2: Convert to fraction form
    2,172,171.30/3,257,272.80 = 823,885.80/x
  3. Step 3: Cross multiply
    2,172,171.30x = 3,257,272.80 × 823,885.80
  4. Step 4: Simplify right side
    2,172,171.30x = 2,683,620,806,646.24
  5. Step 5: Solve for x
    x = 2,683,620,806,646.24/2,172,171.30
  6. Step 6: Final answer
    x = 1,235,455.42

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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.