Home / 1,940,394.80-2,676,310.32-1,423,974.26

Finding the Fourth Proportional to 1,940,394.80, 2,676,310.32 and 1,423,974.26

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Solution

The fourth proportional to 1,940,394.80, 2,676,310.32 and 1,423,974.26 is: 1,964,031.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,940,394.80 : 2,676,310.32 = 1,423,974.26 : x
  2. Step 2: Convert to fraction form
    1,940,394.80/2,676,310.32 = 1,423,974.26/x
  3. Step 3: Cross multiply
    1,940,394.80x = 2,676,310.32 × 1,423,974.26
  4. Step 4: Simplify right side
    1,940,394.80x = 3,810,997,007,452.36
  5. Step 5: Solve for x
    x = 3,810,997,007,452.36/1,940,394.80
  6. Step 6: Final answer
    x = 1,964,031.76

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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.