Home / 1,951,953.15-2,923,665.48-811,256.88

Finding the Fourth Proportional to 1,951,953.15, 2,923,665.48 and 811,256.88

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Solution

The fourth proportional to 1,951,953.15, 2,923,665.48 and 811,256.88 is: 1,215,113.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,951,953.15 : 2,923,665.48 = 811,256.88 : x
  2. Step 2: Convert to fraction form
    1,951,953.15/2,923,665.48 = 811,256.88/x
  3. Step 3: Cross multiply
    1,951,953.15x = 2,923,665.48 × 811,256.88
  4. Step 4: Simplify right side
    1,951,953.15x = 2,371,843,735,468.50
  5. Step 5: Solve for x
    x = 2,371,843,735,468.50/1,951,953.15
  6. Step 6: Final answer
    x = 1,215,113.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.