Home / 1,856,942.56-2,785,413.84-1,225,708.75

Finding the Fourth Proportional to 1,856,942.56, 2,785,413.84 and 1,225,708.75

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Solution

The fourth proportional to 1,856,942.56, 2,785,413.84 and 1,225,708.75 is: 1,838,563.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,856,942.56 : 2,785,413.84 = 1,225,708.75 : x
  2. Step 2: Convert to fraction form
    1,856,942.56/2,785,413.84 = 1,225,708.75/x
  3. Step 3: Cross multiply
    1,856,942.56x = 2,785,413.84 × 1,225,708.75
  4. Step 4: Simplify right side
    1,856,942.56x = 3,414,106,116,059.10
  5. Step 5: Solve for x
    x = 3,414,106,116,059.10/1,856,942.56
  6. Step 6: Final answer
    x = 1,838,563.13

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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.