Home / 2,142,712.23-2,957,028.17-1,175,877.12

Finding the Fourth Proportional to 2,142,712.23, 2,957,028.17 and 1,175,877.12

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Solution

The fourth proportional to 2,142,712.23, 2,957,028.17 and 1,175,877.12 is: 1,622,757.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,142,712.23 : 2,957,028.17 = 1,175,877.12 : x
  2. Step 2: Convert to fraction form
    2,142,712.23/2,957,028.17 = 1,175,877.12/x
  3. Step 3: Cross multiply
    2,142,712.23x = 2,957,028.17 × 1,175,877.12
  4. Step 4: Simplify right side
    2,142,712.23x = 3,477,101,756,874.66
  5. Step 5: Solve for x
    x = 3,477,101,756,874.66/2,142,712.23
  6. Step 6: Final answer
    x = 1,622,757.23

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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.