Home / 2,071,627.21-2,858,989.23-1,255,865.28

Finding the Fourth Proportional to 2,071,627.21, 2,858,989.23 and 1,255,865.28

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Solution

The fourth proportional to 2,071,627.21, 2,858,989.23 and 1,255,865.28 is: 1,733,181.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,071,627.21 : 2,858,989.23 = 1,255,865.28 : x
  2. Step 2: Convert to fraction form
    2,071,627.21/2,858,989.23 = 1,255,865.28/x
  3. Step 3: Cross multiply
    2,071,627.21x = 2,858,989.23 × 1,255,865.28
  4. Step 4: Simplify right side
    2,071,627.21x = 3,590,505,299,129.73
  5. Step 5: Solve for x
    x = 3,590,505,299,129.73/2,071,627.21
  6. Step 6: Final answer
    x = 1,733,181.18

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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.