Home / 3,608,752.43-4,980,078.21-1,977,221.61

Finding the Fourth Proportional to 3,608,752.43, 4,980,078.21 and 1,977,221.61

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Solution

The fourth proportional to 3,608,752.43, 4,980,078.21 and 1,977,221.61 is: 2,728,565.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,608,752.43 : 4,980,078.21 = 1,977,221.61 : x
  2. Step 2: Convert to fraction form
    3,608,752.43/4,980,078.21 = 1,977,221.61/x
  3. Step 3: Cross multiply
    3,608,752.43x = 4,980,078.21 × 1,977,221.61
  4. Step 4: Simplify right side
    3,608,752.43x = 9,846,718,263,716.70
  5. Step 5: Solve for x
    x = 9,846,718,263,716.70/3,608,752.43
  6. Step 6: Final answer
    x = 2,728,565.74

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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.