Home / 1,979,439.19-2,731,640.66-1,074,021.19

Finding the Fourth Proportional to 1,979,439.19, 2,731,640.66 and 1,074,021.19

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Solution

The fourth proportional to 1,979,439.19, 2,731,640.66 and 1,074,021.19 is: 1,482,157.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,979,439.19 : 2,731,640.66 = 1,074,021.19 : x
  2. Step 2: Convert to fraction form
    1,979,439.19/2,731,640.66 = 1,074,021.19/x
  3. Step 3: Cross multiply
    1,979,439.19x = 2,731,640.66 × 1,074,021.19
  4. Step 4: Simplify right side
    1,979,439.19x = 2,933,839,944,133.96
  5. Step 5: Solve for x
    x = 2,933,839,944,133.96/1,979,439.19
  6. Step 6: Final answer
    x = 1,482,157.15

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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.