Home / 2,819,431.72-3,890,820.05-1,530,272.58

Finding the Fourth Proportional to 2,819,431.72, 3,890,820.05 and 1,530,272.58

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Solution

The fourth proportional to 2,819,431.72, 3,890,820.05 and 1,530,272.58 is: 2,111,778.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,819,431.72 : 3,890,820.05 = 1,530,272.58 : x
  2. Step 2: Convert to fraction form
    2,819,431.72/3,890,820.05 = 1,530,272.58/x
  3. Step 3: Cross multiply
    2,819,431.72x = 3,890,820.05 × 1,530,272.58
  4. Step 4: Simplify right side
    2,819,431.72x = 5,954,015,236,229.23
  5. Step 5: Solve for x
    x = 5,954,015,236,229.23/2,819,431.72
  6. Step 6: Final answer
    x = 2,111,778.48

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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.