Home / 2,116,874.58-2,921,537.33-1,257,438.25

Finding the Fourth Proportional to 2,116,874.58, 2,921,537.33 and 1,257,438.25

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Solution

The fourth proportional to 2,116,874.58, 2,921,537.33 and 1,257,438.25 is: 1,735,413.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,116,874.58 : 2,921,537.33 = 1,257,438.25 : x
  2. Step 2: Convert to fraction form
    2,116,874.58/2,921,537.33 = 1,257,438.25/x
  3. Step 3: Cross multiply
    2,116,874.58x = 2,921,537.33 × 1,257,438.25
  4. Step 4: Simplify right side
    2,116,874.58x = 3,673,652,787,544.87
  5. Step 5: Solve for x
    x = 3,673,652,787,544.87/2,116,874.58
  6. Step 6: Final answer
    x = 1,735,413.53

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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.