Home / 2,269,121.32-3,131,329.64-1,236,655.64

Finding the Fourth Proportional to 2,269,121.32, 3,131,329.64 and 1,236,655.64

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Solution

The fourth proportional to 2,269,121.32, 3,131,329.64 and 1,236,655.64 is: 1,706,553.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,269,121.32 : 3,131,329.64 = 1,236,655.64 : x
  2. Step 2: Convert to fraction form
    2,269,121.32/3,131,329.64 = 1,236,655.64/x
  3. Step 3: Cross multiply
    2,269,121.32x = 3,131,329.64 × 1,236,655.64
  4. Step 4: Simplify right side
    2,269,121.32x = 3,872,376,460,005.17
  5. Step 5: Solve for x
    x = 3,872,376,460,005.17/2,269,121.32
  6. Step 6: Final answer
    x = 1,706,553.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.