Home / 2,900,721.38-4,002,760.82-1,677,105.41

Finding the Fourth Proportional to 2,900,721.38, 4,002,760.82 and 1,677,105.41

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Solution

The fourth proportional to 2,900,721.38, 4,002,760.82 and 1,677,105.41 is: 2,314,269.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,900,721.38 : 4,002,760.82 = 1,677,105.41 : x
  2. Step 2: Convert to fraction form
    2,900,721.38/4,002,760.82 = 1,677,105.41/x
  3. Step 3: Cross multiply
    2,900,721.38x = 4,002,760.82 × 1,677,105.41
  4. Step 4: Simplify right side
    2,900,721.38x = 6,713,051,826,158.04
  5. Step 5: Solve for x
    x = 6,713,051,826,158.04/2,900,721.38
  6. Step 6: Final answer
    x = 2,314,269.78

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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.