Home / 3,887,215.70-5,364,366.28-2,168,447.54

Finding the Fourth Proportional to 3,887,215.70, 5,364,366.28 and 2,168,447.54

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Solution

The fourth proportional to 3,887,215.70, 5,364,366.28 and 2,168,447.54 is: 2,992,462.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,887,215.70 : 5,364,366.28 = 2,168,447.54 : x
  2. Step 2: Convert to fraction form
    3,887,215.70/5,364,366.28 = 2,168,447.54/x
  3. Step 3: Cross multiply
    3,887,215.70x = 5,364,366.28 × 2,168,447.54
  4. Step 4: Simplify right side
    3,887,215.70x = 11,632,346,831,282.00
  5. Step 5: Solve for x
    x = 11,632,346,831,282.00/3,887,215.70
  6. Step 6: Final answer
    x = 2,992,462.41

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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.