Home / 1,979,965.44-2,969,472.36-913,983.60

Finding the Fourth Proportional to 1,979,965.44, 2,969,472.36 and 913,983.60

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Solution

The fourth proportional to 1,979,965.44, 2,969,472.36 and 913,983.60 is: 1,370,755.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,979,965.44 : 2,969,472.36 = 913,983.60 : x
  2. Step 2: Convert to fraction form
    1,979,965.44/2,969,472.36 = 913,983.60/x
  3. Step 3: Cross multiply
    1,979,965.44x = 2,969,472.36 × 913,983.60
  4. Step 4: Simplify right side
    1,979,965.44x = 2,714,049,037,693.30
  5. Step 5: Solve for x
    x = 2,714,049,037,693.30/1,979,965.44
  6. Step 6: Final answer
    x = 1,370,755.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.