Home / 3,489,850.76-4,816,001.54-1,961,970.44

Finding the Fourth Proportional to 3,489,850.76, 4,816,001.54 and 1,961,970.44

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Solution

The fourth proportional to 3,489,850.76, 4,816,001.54 and 1,961,970.44 is: 2,707,523.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,489,850.76 : 4,816,001.54 = 1,961,970.44 : x
  2. Step 2: Convert to fraction form
    3,489,850.76/4,816,001.54 = 1,961,970.44/x
  3. Step 3: Cross multiply
    3,489,850.76x = 4,816,001.54 × 1,961,970.44
  4. Step 4: Simplify right side
    3,489,850.76x = 9,448,852,660,474.48
  5. Step 5: Solve for x
    x = 9,448,852,660,474.48/3,489,850.76
  6. Step 6: Final answer
    x = 2,707,523.42

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Double scale
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1.5x scale

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.