Home / 2,661,255.61-3,991,826.13-742,115.74

Finding the Fourth Proportional to 2,661,255.61, 3,991,826.13 and 742,115.74

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Solution

The fourth proportional to 2,661,255.61, 3,991,826.13 and 742,115.74 is: 1,113,157.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,661,255.61 : 3,991,826.13 = 742,115.74 : x
  2. Step 2: Convert to fraction form
    2,661,255.61/3,991,826.13 = 742,115.74/x
  3. Step 3: Cross multiply
    2,661,255.61x = 3,991,826.13 × 742,115.74
  4. Step 4: Simplify right side
    2,661,255.61x = 2,962,397,002,416.29
  5. Step 5: Solve for x
    x = 2,962,397,002,416.29/2,661,255.61
  6. Step 6: Final answer
    x = 1,113,157.64

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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.