Home / 5,228,330.08-7,215,078-2,905,212.64

Finding the Fourth Proportional to 5,228,330.08, 7,215,078 and 2,905,212.64

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Solution

The fourth proportional to 5,228,330.08, 7,215,078 and 2,905,212.64 is: 4,009,183.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,228,330.08 : 7,215,078 = 2,905,212.64 : x
  2. Step 2: Convert to fraction form
    5,228,330.08/7,215,078 = 2,905,212.64/x
  3. Step 3: Cross multiply
    5,228,330.08x = 7,215,078 × 2,905,212.64
  4. Step 4: Simplify right side
    5,228,330.08x = 20,961,335,804,185.92
  5. Step 5: Solve for x
    x = 20,961,335,804,185.92/5,228,330.08
  6. Step 6: Final answer
    x = 4,009,183.71

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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.