Home / 2,172,137.12-3,258,732.39-655,729.48

Finding the Fourth Proportional to 2,172,137.12, 3,258,732.39 and 655,729.48

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Solution

The fourth proportional to 2,172,137.12, 3,258,732.39 and 655,729.48 is: 983,753.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,172,137.12 : 3,258,732.39 = 655,729.48 : x
  2. Step 2: Convert to fraction form
    2,172,137.12/3,258,732.39 = 655,729.48/x
  3. Step 3: Cross multiply
    2,172,137.12x = 3,258,732.39 × 655,729.48
  4. Step 4: Simplify right side
    2,172,137.12x = 2,136,846,895,553.86
  5. Step 5: Solve for x
    x = 2,136,846,895,553.86/2,172,137.12
  6. Step 6: Final answer
    x = 983,753.22

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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.