Home / 3,887,217.45-5,364,368.69-2,168,449.29

Finding the Fourth Proportional to 3,887,217.45, 5,364,368.69 and 2,168,449.29

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Solution

The fourth proportional to 3,887,217.45, 5,364,368.69 and 2,168,449.29 is: 2,992,464.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,887,217.45 : 5,364,368.69 = 2,168,449.29 : x
  2. Step 2: Convert to fraction form
    3,887,217.45/5,364,368.69 = 2,168,449.29/x
  3. Step 3: Cross multiply
    3,887,217.45x = 5,364,368.69 × 2,168,449.29
  4. Step 4: Simplify right side
    3,887,217.45x = 11,632,361,477,128.73
  5. Step 5: Solve for x
    x = 11,632,361,477,128.73/3,887,217.45
  6. Step 6: Final answer
    x = 2,992,464.82

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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.