Home / 3,638,721.75-5,458,345.20-1,394,859.75

Finding the Fourth Proportional to 3,638,721.75, 5,458,345.20 and 1,394,859.75

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Solution

The fourth proportional to 3,638,721.75, 5,458,345.20 and 1,394,859.75 is: 2,092,390.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,638,721.75 : 5,458,345.20 = 1,394,859.75 : x
  2. Step 2: Convert to fraction form
    3,638,721.75/5,458,345.20 = 1,394,859.75/x
  3. Step 3: Cross multiply
    3,638,721.75x = 5,458,345.20 × 1,394,859.75
  4. Step 4: Simplify right side
    3,638,721.75x = 7,613,626,021,085.70
  5. Step 5: Solve for x
    x = 7,613,626,021,085.70/3,638,721.75
  6. Step 6: Final answer
    x = 2,092,390.28

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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.