Home / 2,638,344.61-3,957,475.21-841,215.94

Finding the Fourth Proportional to 2,638,344.61, 3,957,475.21 and 841,215.94

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Solution

The fourth proportional to 2,638,344.61, 3,957,475.21 and 841,215.94 is: 1,261,810.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,638,344.61 : 3,957,475.21 = 841,215.94 : x
  2. Step 2: Convert to fraction form
    2,638,344.61/3,957,475.21 = 841,215.94/x
  3. Step 3: Cross multiply
    2,638,344.61x = 3,957,475.21 × 841,215.94
  4. Step 4: Simplify right side
    2,638,344.61x = 3,329,091,228,806.85
  5. Step 5: Solve for x
    x = 3,329,091,228,806.85/2,638,344.61
  6. Step 6: Final answer
    x = 1,261,810.61

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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.