Home / 3,126,820.95-4,309,115.62-2,505,920.85

Finding the Fourth Proportional to 3,126,820.95, 4,309,115.62 and 2,505,920.85

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Solution

The fourth proportional to 3,126,820.95, 4,309,115.62 and 2,505,920.85 is: 3,453,444.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,126,820.95 : 4,309,115.62 = 2,505,920.85 : x
  2. Step 2: Convert to fraction form
    3,126,820.95/4,309,115.62 = 2,505,920.85/x
  3. Step 3: Cross multiply
    3,126,820.95x = 4,309,115.62 × 2,505,920.85
  4. Step 4: Simplify right side
    3,126,820.95x = 10,798,302,677,218.68
  5. Step 5: Solve for x
    x = 10,798,302,677,218.68/3,126,820.95
  6. Step 6: Final answer
    x = 3,453,444.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.