Home / 3,642,509.18-5,027,320.65-2,172,511.96

Finding the Fourth Proportional to 3,642,509.18, 5,027,320.65 and 2,172,511.96

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Solution

The fourth proportional to 3,642,509.18, 5,027,320.65 and 2,172,511.96 is: 2,998,458.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,642,509.18 : 5,027,320.65 = 2,172,511.96 : x
  2. Step 2: Convert to fraction form
    3,642,509.18/5,027,320.65 = 2,172,511.96/x
  3. Step 3: Cross multiply
    3,642,509.18x = 5,027,320.65 × 2,172,511.96
  4. Step 4: Simplify right side
    3,642,509.18x = 10,921,914,238,879.97
  5. Step 5: Solve for x
    x = 10,921,914,238,879.97/3,642,509.18
  6. Step 6: Final answer
    x = 2,998,458.95

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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.