Home / 2,159,882.82-2,980,382.85-1,192,955.45

Finding the Fourth Proportional to 2,159,882.82, 2,980,382.85 and 1,192,955.45

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Solution

The fourth proportional to 2,159,882.82, 2,980,382.85 and 1,192,955.45 is: 1,646,137.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,159,882.82 : 2,980,382.85 = 1,192,955.45 : x
  2. Step 2: Convert to fraction form
    2,159,882.82/2,980,382.85 = 1,192,955.45/x
  3. Step 3: Cross multiply
    2,159,882.82x = 2,980,382.85 × 1,192,955.45
  4. Step 4: Simplify right side
    2,159,882.82x = 3,555,463,949,092.12
  5. Step 5: Solve for x
    x = 3,555,463,949,092.12/2,159,882.82
  6. Step 6: Final answer
    x = 1,646,137.43

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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.