Home / 2,179,505.90-3,269,381.81-663,238.24

Finding the Fourth Proportional to 2,179,505.90, 3,269,381.81 and 663,238.24

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Solution

The fourth proportional to 2,179,505.90, 3,269,381.81 and 663,238.24 is: 994,894.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,179,505.90 : 3,269,381.81 = 663,238.24 : x
  2. Step 2: Convert to fraction form
    2,179,505.90/3,269,381.81 = 663,238.24/x
  3. Step 3: Cross multiply
    2,179,505.90x = 3,269,381.81 × 663,238.24
  4. Step 4: Simplify right side
    2,179,505.90x = 2,168,379,026,062.77
  5. Step 5: Solve for x
    x = 2,168,379,026,062.77/2,179,505.90
  6. Step 6: Final answer
    x = 994,894.77

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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.