Home / 3,179,685.49-4,389,107.33-1,890,522.79

Finding the Fourth Proportional to 3,179,685.49, 4,389,107.33 and 1,890,522.79

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Solution

The fourth proportional to 3,179,685.49, 4,389,107.33 and 1,890,522.79 is: 2,609,600.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,179,685.49 : 4,389,107.33 = 1,890,522.79 : x
  2. Step 2: Convert to fraction form
    3,179,685.49/4,389,107.33 = 1,890,522.79/x
  3. Step 3: Cross multiply
    3,179,685.49x = 4,389,107.33 × 1,890,522.79
  4. Step 4: Simplify right side
    3,179,685.49x = 8,297,707,428,874.59
  5. Step 5: Solve for x
    x = 8,297,707,428,874.59/3,179,685.49
  6. Step 6: Final answer
    x = 2,609,600.06

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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.