Home / 3,380,138.46-5,066,795.97-2,118,851.82

Finding the Fourth Proportional to 3,380,138.46, 5,066,795.97 and 2,118,851.82

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Solution

The fourth proportional to 3,380,138.46, 5,066,795.97 and 2,118,851.82 is: 3,176,139.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,380,138.46 : 5,066,795.97 = 2,118,851.82 : x
  2. Step 2: Convert to fraction form
    3,380,138.46/5,066,795.97 = 2,118,851.82/x
  3. Step 3: Cross multiply
    3,380,138.46x = 5,066,795.97 × 2,118,851.82
  4. Step 4: Simplify right side
    3,380,138.46x = 10,735,789,862,603.16
  5. Step 5: Solve for x
    x = 10,735,789,862,603.16/3,380,138.46
  6. Step 6: Final answer
    x = 3,176,139.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.