Home / 3,420,269.88-4,718,826.36-1,969,936.26

Finding the Fourth Proportional to 3,420,269.88, 4,718,826.36 and 1,969,936.26

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Solution

The fourth proportional to 3,420,269.88, 4,718,826.36 and 1,969,936.26 is: 2,717,851.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,420,269.88 : 4,718,826.36 = 1,969,936.26 : x
  2. Step 2: Convert to fraction form
    3,420,269.88/4,718,826.36 = 1,969,936.26/x
  3. Step 3: Cross multiply
    3,420,269.88x = 4,718,826.36 × 1,969,936.26
  4. Step 4: Simplify right side
    3,420,269.88x = 9,295,787,151,207.82
  5. Step 5: Solve for x
    x = 9,295,787,151,207.82/3,420,269.88
  6. Step 6: Final answer
    x = 2,717,851.95

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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.