Home / 2,117,584.50-2,922,660.27-1,212,166.50

Finding the Fourth Proportional to 2,117,584.50, 2,922,660.27 and 1,212,166.50

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Solution

The fourth proportional to 2,117,584.50, 2,922,660.27 and 1,212,166.50 is: 1,673,015.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,117,584.50 : 2,922,660.27 = 1,212,166.50 : x
  2. Step 2: Convert to fraction form
    2,117,584.50/2,922,660.27 = 1,212,166.50/x
  3. Step 3: Cross multiply
    2,117,584.50x = 2,922,660.27 × 1,212,166.50
  4. Step 4: Simplify right side
    2,117,584.50x = 3,542,750,870,174.96
  5. Step 5: Solve for x
    x = 3,542,750,870,174.96/2,117,584.50
  6. Step 6: Final answer
    x = 1,673,015.11

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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.