Home / 1,674,761.73-2,311,691.52-1,331,207.25

Finding the Fourth Proportional to 1,674,761.73, 2,311,691.52 and 1,331,207.25

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Solution

The fourth proportional to 1,674,761.73, 2,311,691.52 and 1,331,207.25 is: 1,837,479.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,674,761.73 : 2,311,691.52 = 1,331,207.25 : x
  2. Step 2: Convert to fraction form
    1,674,761.73/2,311,691.52 = 1,331,207.25/x
  3. Step 3: Cross multiply
    1,674,761.73x = 2,311,691.52 × 1,331,207.25
  4. Step 4: Simplify right side
    1,674,761.73x = 3,077,340,511,187.52
  5. Step 5: Solve for x
    x = 3,077,340,511,187.52/1,674,761.73
  6. Step 6: Final answer
    x = 1,837,479.60

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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.