Home / 1,828,109-2,743,212.78-1,427,625.48

Finding the Fourth Proportional to 1,828,109, 2,743,212.78 and 1,427,625.48

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Solution

The fourth proportional to 1,828,109, 2,743,212.78 and 1,427,625.48 is: 2,142,257.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,828,109 : 2,743,212.78 = 1,427,625.48 : x
  2. Step 2: Convert to fraction form
    1,828,109/2,743,212.78 = 1,427,625.48/x
  3. Step 3: Cross multiply
    1,828,109x = 2,743,212.78 × 1,427,625.48
  4. Step 4: Simplify right side
    1,828,109x = 3,916,280,461,789.63
  5. Step 5: Solve for x
    x = 3,916,280,461,789.63/1,828,109
  6. Step 6: Final answer
    x = 2,142,257.63

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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.