Home / 3,818,938.56-5,270,173.92-2,100,071.76

Finding the Fourth Proportional to 3,818,938.56, 5,270,173.92 and 2,100,071.76

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Solution

The fourth proportional to 3,818,938.56, 5,270,173.92 and 2,100,071.76 is: 2,898,120.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,818,938.56 : 5,270,173.92 = 2,100,071.76 : x
  2. Step 2: Convert to fraction form
    3,818,938.56/5,270,173.92 = 2,100,071.76/x
  3. Step 3: Cross multiply
    3,818,938.56x = 5,270,173.92 × 2,100,071.76
  4. Step 4: Simplify right side
    3,818,938.56x = 11,067,743,419,680.50
  5. Step 5: Solve for x
    x = 11,067,743,419,680.50/3,818,938.56
  6. Step 6: Final answer
    x = 2,898,120.31

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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.