Home / 2,783,854-3,841,653.18-1,638,008.56

Finding the Fourth Proportional to 2,783,854, 3,841,653.18 and 1,638,008.56

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Solution

The fourth proportional to 2,783,854, 3,841,653.18 and 1,638,008.56 is: 2,260,413.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,783,854 : 3,841,653.18 = 1,638,008.56 : x
  2. Step 2: Convert to fraction form
    2,783,854/3,841,653.18 = 1,638,008.56/x
  3. Step 3: Cross multiply
    2,783,854x = 3,841,653.18 × 1,638,008.56
  4. Step 4: Simplify right side
    2,783,854x = 6,292,660,793,391.22
  5. Step 5: Solve for x
    x = 6,292,660,793,391.22/2,783,854
  6. Step 6: Final answer
    x = 2,260,413.37

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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.