Home / 1,984,845.36-2,739,003.12-1,125,463.44

Finding the Fourth Proportional to 1,984,845.36, 2,739,003.12 and 1,125,463.44

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Solution

The fourth proportional to 1,984,845.36, 2,739,003.12 and 1,125,463.44 is: 1,553,092.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,984,845.36 : 2,739,003.12 = 1,125,463.44 : x
  2. Step 2: Convert to fraction form
    1,984,845.36/2,739,003.12 = 1,125,463.44/x
  3. Step 3: Cross multiply
    1,984,845.36x = 2,739,003.12 × 1,125,463.44
  4. Step 4: Simplify right side
    1,984,845.36x = 3,082,647,873,605.93
  5. Step 5: Solve for x
    x = 3,082,647,873,605.93/1,984,845.36
  6. Step 6: Final answer
    x = 1,553,092.21

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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.