Home / 5,270,782.47-7,273,628.58-2,947,648.56

Finding the Fourth Proportional to 5,270,782.47, 7,273,628.58 and 2,947,648.56

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Solution

The fourth proportional to 5,270,782.47, 7,273,628.58 and 2,947,648.56 is: 4,067,726.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,270,782.47 : 7,273,628.58 = 2,947,648.56 : x
  2. Step 2: Convert to fraction form
    5,270,782.47/7,273,628.58 = 2,947,648.56/x
  3. Step 3: Cross multiply
    5,270,782.47x = 7,273,628.58 × 2,947,648.56
  4. Step 4: Simplify right side
    5,270,782.47x = 21,440,100,809,811.84
  5. Step 5: Solve for x
    x = 21,440,100,809,811.84/5,270,782.47
  6. Step 6: Final answer
    x = 4,067,726.36

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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.