Home / 2,138,127.78-2,950,617.06-1,171,292.88

Finding the Fourth Proportional to 2,138,127.78, 2,950,617.06 and 1,171,292.88

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Solution

The fourth proportional to 2,138,127.78, 2,950,617.06 and 1,171,292.88 is: 1,616,384.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,138,127.78 : 2,950,617.06 = 1,171,292.88 : x
  2. Step 2: Convert to fraction form
    2,138,127.78/2,950,617.06 = 1,171,292.88/x
  3. Step 3: Cross multiply
    2,138,127.78x = 2,950,617.06 × 1,171,292.88
  4. Step 4: Simplify right side
    2,138,127.78x = 3,456,036,753,984.53
  5. Step 5: Solve for x
    x = 3,456,036,753,984.53/2,138,127.78
  6. Step 6: Final answer
    x = 1,616,384.57

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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.