Home / 2,638,321.80-3,957,441.09-841,193.16

Finding the Fourth Proportional to 2,638,321.80, 3,957,441.09 and 841,193.16

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Solution

The fourth proportional to 2,638,321.80, 3,957,441.09 and 841,193.16 is: 1,261,776.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,638,321.80 : 3,957,441.09 = 841,193.16 : x
  2. Step 2: Convert to fraction form
    2,638,321.80/3,957,441.09 = 841,193.16/x
  3. Step 3: Cross multiply
    2,638,321.80x = 3,957,441.09 × 841,193.16
  4. Step 4: Simplify right side
    2,638,321.80x = 3,328,972,376,010.94
  5. Step 5: Solve for x
    x = 3,328,972,376,010.94/2,638,321.80
  6. Step 6: Final answer
    x = 1,261,776.47

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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.