Home / 3,819,938.44-5,271,517.76-2,101,189.72

Finding the Fourth Proportional to 3,819,938.44, 5,271,517.76 and 2,101,189.72

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Solution

The fourth proportional to 3,819,938.44, 5,271,517.76 and 2,101,189.72 is: 2,899,643.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,819,938.44 : 5,271,517.76 = 2,101,189.72 : x
  2. Step 2: Convert to fraction form
    3,819,938.44/5,271,517.76 = 2,101,189.72/x
  3. Step 3: Cross multiply
    3,819,938.44x = 5,271,517.76 × 2,101,189.72
  4. Step 4: Simplify right side
    3,819,938.44x = 11,076,458,926,109.43
  5. Step 5: Solve for x
    x = 11,076,458,926,109.43/3,819,938.44
  6. Step 6: Final answer
    x = 2,899,643.31

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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.