Home / 1,951,238.30-2,692,387.58-1,225,569.15

Finding the Fourth Proportional to 1,951,238.30, 2,692,387.58 and 1,225,569.15

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Solution

The fourth proportional to 1,951,238.30, 2,692,387.58 and 1,225,569.15 is: 1,691,083.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,951,238.30 : 2,692,387.58 = 1,225,569.15 : x
  2. Step 2: Convert to fraction form
    1,951,238.30/2,692,387.58 = 1,225,569.15/x
  3. Step 3: Cross multiply
    1,951,238.30x = 2,692,387.58 × 1,225,569.15
  4. Step 4: Simplify right side
    1,951,238.30x = 3,299,707,151,763.31
  5. Step 5: Solve for x
    x = 3,299,707,151,763.31/1,951,238.30
  6. Step 6: Final answer
    x = 1,691,083.64

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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.