Home / 2,661,276.20-3,991,856.66-742,136.20

Finding the Fourth Proportional to 2,661,276.20, 3,991,856.66 and 742,136.20

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Solution

The fourth proportional to 2,661,276.20, 3,991,856.66 and 742,136.20 is: 1,113,188.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,661,276.20 : 3,991,856.66 = 742,136.20 : x
  2. Step 2: Convert to fraction form
    2,661,276.20/3,991,856.66 = 742,136.20/x
  3. Step 3: Cross multiply
    2,661,276.20x = 3,991,856.66 × 742,136.20
  4. Step 4: Simplify right side
    2,661,276.20x = 2,962,501,344,432.07
  5. Step 5: Solve for x
    x = 2,962,501,344,432.07/2,661,276.20
  6. Step 6: Final answer
    x = 1,113,188.23

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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.