Home / 2,660,045.44-3,990,629.34-862,789.36

Finding the Fourth Proportional to 2,660,045.44, 3,990,629.34 and 862,789.36

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Solution

The fourth proportional to 2,660,045.44, 3,990,629.34 and 862,789.36 is: 1,294,366.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,660,045.44 : 3,990,629.34 = 862,789.36 : x
  2. Step 2: Convert to fraction form
    2,660,045.44/3,990,629.34 = 862,789.36/x
  3. Step 3: Cross multiply
    2,660,045.44x = 3,990,629.34 × 862,789.36
  4. Step 4: Simplify right side
    2,660,045.44x = 3,443,072,534,255.82
  5. Step 5: Solve for x
    x = 3,443,072,534,255.82/2,660,045.44
  6. Step 6: Final answer
    x = 1,294,366.06

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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.