Home / 2,161,379.88-2,982,707.78-1,194,509.88

Finding the Fourth Proportional to 2,161,379.88, 2,982,707.78 and 1,194,509.88

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Solution

The fourth proportional to 2,161,379.88, 2,982,707.78 and 1,194,509.88 is: 1,648,425.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,161,379.88 : 2,982,707.78 = 1,194,509.88 : x
  2. Step 2: Convert to fraction form
    2,161,379.88/2,982,707.78 = 1,194,509.88/x
  3. Step 3: Cross multiply
    2,161,379.88x = 2,982,707.78 × 1,194,509.88
  4. Step 4: Simplify right side
    2,161,379.88x = 3,562,873,912,362.87
  5. Step 5: Solve for x
    x = 3,562,873,912,362.87/2,161,379.88
  6. Step 6: Final answer
    x = 1,648,425.59

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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.