Home / 2,154,318.36-3,231,029.79-637,645.56

Finding the Fourth Proportional to 2,154,318.36, 3,231,029.79 and 637,645.56

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Solution

The fourth proportional to 2,154,318.36, 3,231,029.79 and 637,645.56 is: 956,335.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,154,318.36 : 3,231,029.79 = 637,645.56 : x
  2. Step 2: Convert to fraction form
    2,154,318.36/3,231,029.79 = 637,645.56/x
  3. Step 3: Cross multiply
    2,154,318.36x = 3,231,029.79 × 637,645.56
  4. Step 4: Simplify right side
    2,154,318.36x = 2,060,251,799,821.23
  5. Step 5: Solve for x
    x = 2,060,251,799,821.23/2,154,318.36
  6. Step 6: Final answer
    x = 956,335.81

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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.