Home / 2,081,421.55-3,122,339.82-565,128.82

Finding the Fourth Proportional to 2,081,421.55, 3,122,339.82 and 565,128.82

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Solution

The fourth proportional to 2,081,421.55, 3,122,339.82 and 565,128.82 is: 847,749.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,081,421.55 : 3,122,339.82 = 565,128.82 : x
  2. Step 2: Convert to fraction form
    2,081,421.55/3,122,339.82 = 565,128.82/x
  3. Step 3: Cross multiply
    2,081,421.55x = 3,122,339.82 × 565,128.82
  4. Step 4: Simplify right side
    2,081,421.55x = 1,764,524,218,115.61
  5. Step 5: Solve for x
    x = 1,764,524,218,115.61/2,081,421.55
  6. Step 6: Final answer
    x = 847,749.57

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Double scale
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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.