Home / 3,947,708.01-5,922,126.88-1,215,486.59

Finding the Fourth Proportional to 3,947,708.01, 5,922,126.88 and 1,215,486.59

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Solution

The fourth proportional to 3,947,708.01, 5,922,126.88 and 1,215,486.59 is: 1,823,403.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,947,708.01 : 5,922,126.88 = 1,215,486.59 : x
  2. Step 2: Convert to fraction form
    3,947,708.01/5,922,126.88 = 1,215,486.59/x
  3. Step 3: Cross multiply
    3,947,708.01x = 5,922,126.88 × 1,215,486.59
  4. Step 4: Simplify right side
    3,947,708.01x = 7,198,265,806,918.54
  5. Step 5: Solve for x
    x = 7,198,265,806,918.54/3,947,708.01
  6. Step 6: Final answer
    x = 1,823,403.81

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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.