Home / 5,212,100.93-7,192,686.87-2,857,294.52

Finding the Fourth Proportional to 5,212,100.93, 7,192,686.87 and 2,857,294.52

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Solution

The fourth proportional to 5,212,100.93, 7,192,686.87 and 2,857,294.52 is: 3,943,059.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,212,100.93 : 7,192,686.87 = 2,857,294.52 : x
  2. Step 2: Convert to fraction form
    5,212,100.93/7,192,686.87 = 2,857,294.52/x
  3. Step 3: Cross multiply
    5,212,100.93x = 7,192,686.87 × 2,857,294.52
  4. Step 4: Simplify right side
    5,212,100.93x = 20,551,624,777,726.95
  5. Step 5: Solve for x
    x = 20,551,624,777,726.95/5,212,100.93
  6. Step 6: Final answer
    x = 3,943,059.63

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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.