Home / 2,188,953.72-3,285,448.92-1,110,223.36

Finding the Fourth Proportional to 2,188,953.72, 3,285,448.92 and 1,110,223.36

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Solution

The fourth proportional to 2,188,953.72, 3,285,448.92 and 1,110,223.36 is: 1,666,358.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,188,953.72 : 3,285,448.92 = 1,110,223.36 : x
  2. Step 2: Convert to fraction form
    2,188,953.72/3,285,448.92 = 1,110,223.36/x
  3. Step 3: Cross multiply
    2,188,953.72x = 3,285,448.92 × 1,110,223.36
  4. Step 4: Simplify right side
    2,188,953.72x = 3,647,582,139,070.77
  5. Step 5: Solve for x
    x = 3,647,582,139,070.77/2,188,953.72
  6. Step 6: Final answer
    x = 1,666,358.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.