Home / 1,921,151.52-2,881,805.04-722,947.68

Finding the Fourth Proportional to 1,921,151.52, 2,881,805.04 and 722,947.68

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Solution

The fourth proportional to 1,921,151.52, 2,881,805.04 and 722,947.68 is: 1,084,450.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,921,151.52 : 2,881,805.04 = 722,947.68 : x
  2. Step 2: Convert to fraction form
    1,921,151.52/2,881,805.04 = 722,947.68/x
  3. Step 3: Cross multiply
    1,921,151.52x = 2,881,805.04 × 722,947.68
  4. Step 4: Simplify right side
    1,921,151.52x = 2,083,394,267,880.31
  5. Step 5: Solve for x
    x = 2,083,394,267,880.31/1,921,151.52
  6. Step 6: Final answer
    x = 1,084,450.78

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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.