Home / 3,986,872.80-5,976,226.80-1,962,002.40

Finding the Fourth Proportional to 3,986,872.80, 5,976,226.80 and 1,962,002.40

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Solution

The fourth proportional to 3,986,872.80, 5,976,226.80 and 1,962,002.40 is: 2,940,994.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,986,872.80 : 5,976,226.80 = 1,962,002.40 : x
  2. Step 2: Convert to fraction form
    3,986,872.80/5,976,226.80 = 1,962,002.40/x
  3. Step 3: Cross multiply
    3,986,872.80x = 5,976,226.80 × 1,962,002.40
  4. Step 4: Simplify right side
    3,986,872.80x = 11,725,371,324,544.32
  5. Step 5: Solve for x
    x = 11,725,371,324,544.32/3,986,872.80
  6. Step 6: Final answer
    x = 2,940,994.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.