Home / 2,661,221.67-3,991,775.20-742,081.74

Finding the Fourth Proportional to 2,661,221.67, 3,991,775.20 and 742,081.74

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Solution

The fourth proportional to 2,661,221.67, 3,991,775.20 and 742,081.74 is: 1,113,106.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,661,221.67 : 3,991,775.20 = 742,081.74 : x
  2. Step 2: Convert to fraction form
    2,661,221.67/3,991,775.20 = 742,081.74/x
  3. Step 3: Cross multiply
    2,661,221.67x = 3,991,775.20 × 742,081.74
  4. Step 4: Simplify right side
    2,661,221.67x = 2,962,223,486,104.85
  5. Step 5: Solve for x
    x = 2,962,223,486,104.85/2,661,221.67
  6. Step 6: Final answer
    x = 1,113,106.63

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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.