Home / 2,887,127.55-3,985,231.46-1,663,921.44

Finding the Fourth Proportional to 2,887,127.55, 3,985,231.46 and 1,663,921.44

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Solution

The fourth proportional to 2,887,127.55, 3,985,231.46 and 1,663,921.44 is: 2,296,785.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,887,127.55 : 3,985,231.46 = 1,663,921.44 : x
  2. Step 2: Convert to fraction form
    2,887,127.55/3,985,231.46 = 1,663,921.44/x
  3. Step 3: Cross multiply
    2,887,127.55x = 3,985,231.46 × 1,663,921.44
  4. Step 4: Simplify right side
    2,887,127.55x = 6,631,112,061,336.90
  5. Step 5: Solve for x
    x = 6,631,112,061,336.90/2,887,127.55
  6. Step 6: Final answer
    x = 2,296,785.28

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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.