Home / 2,131,757.36-2,941,992.86-1,214,025.33

Finding the Fourth Proportional to 2,131,757.36, 2,941,992.86 and 1,214,025.33

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Solution

The fourth proportional to 2,131,757.36, 2,941,992.86 and 1,214,025.33 is: 1,675,450.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,131,757.36 : 2,941,992.86 = 1,214,025.33 : x
  2. Step 2: Convert to fraction form
    2,131,757.36/2,941,992.86 = 1,214,025.33/x
  3. Step 3: Cross multiply
    2,131,757.36x = 2,941,992.86 × 1,214,025.33
  4. Step 4: Simplify right side
    2,131,757.36x = 3,571,653,846,649.02
  5. Step 5: Solve for x
    x = 3,571,653,846,649.02/2,131,757.36
  6. Step 6: Final answer
    x = 1,675,450.46

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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.