Home / 1,664,620.43-2,296,929.87-1,010,906.51

Finding the Fourth Proportional to 1,664,620.43, 2,296,929.87 and 1,010,906.51

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Solution

The fourth proportional to 1,664,620.43, 2,296,929.87 and 1,010,906.51 is: 1,394,901.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,664,620.43 : 2,296,929.87 = 1,010,906.51 : x
  2. Step 2: Convert to fraction form
    1,664,620.43/2,296,929.87 = 1,010,906.51/x
  3. Step 3: Cross multiply
    1,664,620.43x = 2,296,929.87 × 1,010,906.51
  4. Step 4: Simplify right side
    1,664,620.43x = 2,321,981,358,596.45
  5. Step 5: Solve for x
    x = 2,321,981,358,596.45/1,664,620.43
  6. Step 6: Final answer
    x = 1,394,901.39

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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.