Home / 3,887,139-5,363,992.62-2,233,339.32

Finding the Fourth Proportional to 3,887,139, 5,363,992.62 and 2,233,339.32

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Solution

The fourth proportional to 3,887,139, 5,363,992.62 and 2,233,339.32 is: 3,081,859.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,887,139 : 5,363,992.62 = 2,233,339.32 : x
  2. Step 2: Convert to fraction form
    3,887,139/5,363,992.62 = 2,233,339.32/x
  3. Step 3: Cross multiply
    3,887,139x = 5,363,992.62 × 2,233,339.32
  4. Step 4: Simplify right side
    3,887,139x = 11,979,615,630,435.82
  5. Step 5: Solve for x
    x = 11,979,615,630,435.82/3,887,139
  6. Step 6: Final answer
    x = 3,081,859.34

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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.