Home / 3,619,283.52-5,428,921.76-923,608.75

Finding the Fourth Proportional to 3,619,283.52, 5,428,921.76 and 923,608.75

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Solution

The fourth proportional to 3,619,283.52, 5,428,921.76 and 923,608.75 is: 1,385,412.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,619,283.52 : 5,428,921.76 = 923,608.75 : x
  2. Step 2: Convert to fraction form
    3,619,283.52/5,428,921.76 = 923,608.75/x
  3. Step 3: Cross multiply
    3,619,283.52x = 5,428,921.76 × 923,608.75
  4. Step 4: Simplify right side
    3,619,283.52x = 5,014,199,640,601.40
  5. Step 5: Solve for x
    x = 5,014,199,640,601.40/3,619,283.52
  6. Step 6: Final answer
    x = 1,385,412.23

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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.