Home / 2,638,738.85-3,958,485.60-841,642.75

Finding the Fourth Proportional to 2,638,738.85, 3,958,485.60 and 841,642.75

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Solution

The fourth proportional to 2,638,738.85, 3,958,485.60 and 841,642.75 is: 1,262,584.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,638,738.85 : 3,958,485.60 = 841,642.75 : x
  2. Step 2: Convert to fraction form
    2,638,738.85/3,958,485.60 = 841,642.75/x
  3. Step 3: Cross multiply
    2,638,738.85x = 3,958,485.60 × 841,642.75
  4. Step 4: Simplify right side
    2,638,738.85x = 3,331,630,686,426.97
  5. Step 5: Solve for x
    x = 3,331,630,686,426.97/2,638,738.85
  6. Step 6: Final answer
    x = 1,262,584.47

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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.