Home / 2,251,657.89-3,107,289.42-1,219,166.37

Finding the Fourth Proportional to 2,251,657.89, 3,107,289.42 and 1,219,166.37

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Solution

The fourth proportional to 2,251,657.89, 3,107,289.42 and 1,219,166.37 is: 1,682,450.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,251,657.89 : 3,107,289.42 = 1,219,166.37 : x
  2. Step 2: Convert to fraction form
    2,251,657.89/3,107,289.42 = 1,219,166.37/x
  3. Step 3: Cross multiply
    2,251,657.89x = 3,107,289.42 × 1,219,166.37
  4. Step 4: Simplify right side
    2,251,657.89x = 3,788,302,762,720.81
  5. Step 5: Solve for x
    x = 3,788,302,762,720.81/2,251,657.89
  6. Step 6: Final answer
    x = 1,682,450.42

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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.