Home / 3,591,086-4,955,802.60-1,981,557.68

Finding the Fourth Proportional to 3,591,086, 4,955,802.60 and 1,981,557.68

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Solution

The fourth proportional to 3,591,086, 4,955,802.60 and 1,981,557.68 is: 2,734,606.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,591,086 : 4,955,802.60 = 1,981,557.68 : x
  2. Step 2: Convert to fraction form
    3,591,086/4,955,802.60 = 1,981,557.68/x
  3. Step 3: Cross multiply
    3,591,086x = 4,955,802.60 × 1,981,557.68
  4. Step 4: Simplify right side
    3,591,086x = 9,820,208,702,593.97
  5. Step 5: Solve for x
    x = 9,820,208,702,593.97/3,591,086
  6. Step 6: Final answer
    x = 2,734,606.94

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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.