Home / 2,142,757.05-2,957,040.66-1,175,977.30

Finding the Fourth Proportional to 2,142,757.05, 2,957,040.66 and 1,175,977.30

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Solution

The fourth proportional to 2,142,757.05, 2,957,040.66 and 1,175,977.30 is: 1,622,868.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,142,757.05 : 2,957,040.66 = 1,175,977.30 : x
  2. Step 2: Convert to fraction form
    2,142,757.05/2,957,040.66 = 1,175,977.30/x
  3. Step 3: Cross multiply
    2,142,757.05x = 2,957,040.66 × 1,175,977.30
  4. Step 4: Simplify right side
    2,142,757.05x = 3,477,412,691,337.02
  5. Step 5: Solve for x
    x = 3,477,412,691,337.02/2,142,757.05
  6. Step 6: Final answer
    x = 1,622,868.39

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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.