Home / 2,175,170.90-3,001,652.37-1,208,362.05

Finding the Fourth Proportional to 2,175,170.90, 3,001,652.37 and 1,208,362.05

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Solution

The fourth proportional to 2,175,170.90, 3,001,652.37 and 1,208,362.05 is: 1,667,493.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,175,170.90 : 3,001,652.37 = 1,208,362.05 : x
  2. Step 2: Convert to fraction form
    2,175,170.90/3,001,652.37 = 1,208,362.05/x
  3. Step 3: Cross multiply
    2,175,170.90x = 3,001,652.37 × 1,208,362.05
  4. Step 4: Simplify right side
    2,175,170.90x = 3,627,082,811,200.56
  5. Step 5: Solve for x
    x = 3,627,082,811,200.56/2,175,170.90
  6. Step 6: Final answer
    x = 1,667,493.26

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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.