Home / 3,218,002.21-4,439,573.31-2,072,747.26

Finding the Fourth Proportional to 3,218,002.21, 4,439,573.31 and 2,072,747.26

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Solution

The fourth proportional to 3,218,002.21, 4,439,573.31 and 2,072,747.26 is: 2,859,573.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,218,002.21 : 4,439,573.31 = 2,072,747.26 : x
  2. Step 2: Convert to fraction form
    3,218,002.21/4,439,573.31 = 2,072,747.26/x
  3. Step 3: Cross multiply
    3,218,002.21x = 4,439,573.31 × 2,072,747.26
  4. Step 4: Simplify right side
    3,218,002.21x = 9,202,113,413,871.63
  5. Step 5: Solve for x
    x = 9,202,113,413,871.63/3,218,002.21
  6. Step 6: Final answer
    x = 2,859,573.37

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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.