Home / 5,147,238.63-7,104,040.85-2,856,137.43

Finding the Fourth Proportional to 5,147,238.63, 7,104,040.85 and 2,856,137.43

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Solution

The fourth proportional to 5,147,238.63, 7,104,040.85 and 2,856,137.43 is: 3,941,942.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,147,238.63 : 7,104,040.85 = 2,856,137.43 : x
  2. Step 2: Convert to fraction form
    5,147,238.63/7,104,040.85 = 2,856,137.43/x
  3. Step 3: Cross multiply
    5,147,238.63x = 7,104,040.85 × 2,856,137.43
  4. Step 4: Simplify right side
    5,147,238.63x = 20,290,116,961,653.33
  5. Step 5: Solve for x
    x = 20,290,116,961,653.33/5,147,238.63
  6. Step 6: Final answer
    x = 3,941,942.16

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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.