Home / 1,979,665.88-2,731,909.73-1,163,961.32

Finding the Fourth Proportional to 1,979,665.88, 2,731,909.73 and 1,163,961.32

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Solution

The fourth proportional to 1,979,665.88, 2,731,909.73 and 1,163,961.32 is: 1,606,249.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,979,665.88 : 2,731,909.73 = 1,163,961.32 : x
  2. Step 2: Convert to fraction form
    1,979,665.88/2,731,909.73 = 1,163,961.32/x
  3. Step 3: Cross multiply
    1,979,665.88x = 2,731,909.73 × 1,163,961.32
  4. Step 4: Simplify right side
    1,979,665.88x = 3,179,837,235,972.29
  5. Step 5: Solve for x
    x = 3,179,837,235,972.29/1,979,665.88
  6. Step 6: Final answer
    x = 1,606,249.46

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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.