Home / 1,909,042.44-2,862,954.72-629,411.46

Finding the Fourth Proportional to 1,909,042.44, 2,862,954.72 and 629,411.46

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Solution

The fourth proportional to 1,909,042.44, 2,862,954.72 and 629,411.46 is: 943,916.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,909,042.44 : 2,862,954.72 = 629,411.46 : x
  2. Step 2: Convert to fraction form
    1,909,042.44/2,862,954.72 = 629,411.46/x
  3. Step 3: Cross multiply
    1,909,042.44x = 2,862,954.72 × 629,411.46
  4. Step 4: Simplify right side
    1,909,042.44x = 1,801,976,510,229.09
  5. Step 5: Solve for x
    x = 1,801,976,510,229.09/1,909,042.44
  6. Step 6: Final answer
    x = 943,916.42

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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.