Home / 2,878,216.89-3,971,945.34-1,589,059.77

Finding the Fourth Proportional to 2,878,216.89, 3,971,945.34 and 1,589,059.77

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Solution

The fourth proportional to 2,878,216.89, 3,971,945.34 and 1,589,059.77 is: 2,192,905.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,878,216.89 : 3,971,945.34 = 1,589,059.77 : x
  2. Step 2: Convert to fraction form
    2,878,216.89/3,971,945.34 = 1,589,059.77/x
  3. Step 3: Cross multiply
    2,878,216.89x = 3,971,945.34 × 1,589,059.77
  4. Step 4: Simplify right side
    2,878,216.89x = 6,311,658,548,432.97
  5. Step 5: Solve for x
    x = 6,311,658,548,432.97/2,878,216.89
  6. Step 6: Final answer
    x = 2,192,905.81

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.