Home / 3,138,538.03-4,331,180.29-1,761,884.41

Finding the Fourth Proportional to 3,138,538.03, 4,331,180.29 and 1,761,884.41

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Solution

The fourth proportional to 3,138,538.03, 4,331,180.29 and 1,761,884.41 is: 2,431,399.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,138,538.03 : 4,331,180.29 = 1,761,884.41 : x
  2. Step 2: Convert to fraction form
    3,138,538.03/4,331,180.29 = 1,761,884.41/x
  3. Step 3: Cross multiply
    3,138,538.03x = 4,331,180.29 × 1,761,884.41
  4. Step 4: Simplify right side
    3,138,538.03x = 7,631,039,021,086.81
  5. Step 5: Solve for x
    x = 7,631,039,021,086.81/3,138,538.03
  6. Step 6: Final answer
    x = 2,431,399.25

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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.