Home / 2,119,569.58-3,179,355.18-522,163.72

Finding the Fourth Proportional to 2,119,569.58, 3,179,355.18 and 522,163.72

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Solution

The fourth proportional to 2,119,569.58, 3,179,355.18 and 522,163.72 is: 783,245.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,119,569.58 : 3,179,355.18 = 522,163.72 : x
  2. Step 2: Convert to fraction form
    2,119,569.58/3,179,355.18 = 522,163.72/x
  3. Step 3: Cross multiply
    2,119,569.58x = 3,179,355.18 × 522,163.72
  4. Step 4: Simplify right side
    2,119,569.58x = 1,660,143,927,990.07
  5. Step 5: Solve for x
    x = 1,660,143,927,990.07/2,119,569.58
  6. Step 6: Final answer
    x = 783,245.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.