Home / 2,138,445.63-2,951,057.34-1,171,637.73

Finding the Fourth Proportional to 2,138,445.63, 2,951,057.34 and 1,171,637.73

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Solution

The fourth proportional to 2,138,445.63, 2,951,057.34 and 1,171,637.73 is: 1,616,861.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,138,445.63 : 2,951,057.34 = 1,171,637.73 : x
  2. Step 2: Convert to fraction form
    2,138,445.63/2,951,057.34 = 1,171,637.73/x
  3. Step 3: Cross multiply
    2,138,445.63x = 2,951,057.34 × 1,171,637.73
  4. Step 4: Simplify right side
    2,138,445.63x = 3,457,570,122,937.44
  5. Step 5: Solve for x
    x = 3,457,570,122,937.44/2,138,445.63
  6. Step 6: Final answer
    x = 1,616,861.37

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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.