Home / 3,105,143.49-4,285,054.12-1,747,013.25

Finding the Fourth Proportional to 3,105,143.49, 4,285,054.12 and 1,747,013.25

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Solution

The fourth proportional to 3,105,143.49, 4,285,054.12 and 1,747,013.25 is: 2,410,853.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,105,143.49 : 4,285,054.12 = 1,747,013.25 : x
  2. Step 2: Convert to fraction form
    3,105,143.49/4,285,054.12 = 1,747,013.25/x
  3. Step 3: Cross multiply
    3,105,143.49x = 4,285,054.12 × 1,747,013.25
  4. Step 4: Simplify right side
    3,105,143.49x = 7,486,046,324,607.09
  5. Step 5: Solve for x
    x = 7,486,046,324,607.09/3,105,143.49
  6. Step 6: Final answer
    x = 2,410,853.59

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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.