Home / 3,440,456.02-4,747,297.84-1,990,286.40

Finding the Fourth Proportional to 3,440,456.02, 4,747,297.84 and 1,990,286.40

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Solution

The fourth proportional to 3,440,456.02, 4,747,297.84 and 1,990,286.40 is: 2,746,287.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,440,456.02 : 4,747,297.84 = 1,990,286.40 : x
  2. Step 2: Convert to fraction form
    3,440,456.02/4,747,297.84 = 1,990,286.40/x
  3. Step 3: Cross multiply
    3,440,456.02x = 4,747,297.84 × 1,990,286.40
  4. Step 4: Simplify right side
    3,440,456.02x = 9,448,482,327,701.38
  5. Step 5: Solve for x
    x = 9,448,482,327,701.38/3,440,456.02
  6. Step 6: Final answer
    x = 2,746,287.78

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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.