Home / 3,579,156.88-4,939,163.28-1,947,596.56

Finding the Fourth Proportional to 3,579,156.88, 4,939,163.28 and 1,947,596.56

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Solution

The fourth proportional to 3,579,156.88, 4,939,163.28 and 1,947,596.56 is: 2,687,643.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,579,156.88 : 4,939,163.28 = 1,947,596.56 : x
  2. Step 2: Convert to fraction form
    3,579,156.88/4,939,163.28 = 1,947,596.56/x
  3. Step 3: Cross multiply
    3,579,156.88x = 4,939,163.28 × 1,947,596.56
  4. Step 4: Simplify right side
    3,579,156.88x = 9,619,497,413,406.32
  5. Step 5: Solve for x
    x = 9,619,497,413,406.32/3,579,156.88
  6. Step 6: Final answer
    x = 2,687,643.41

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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.