Home / 2,634,143.91-3,951,895.89-812,467.89

Finding the Fourth Proportional to 2,634,143.91, 3,951,895.89 and 812,467.89

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Solution

The fourth proportional to 2,634,143.91, 3,951,895.89 and 812,467.89 is: 1,218,911.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,634,143.91 : 3,951,895.89 = 812,467.89 : x
  2. Step 2: Convert to fraction form
    2,634,143.91/3,951,895.89 = 812,467.89/x
  3. Step 3: Cross multiply
    2,634,143.91x = 3,951,895.89 × 812,467.89
  4. Step 4: Simplify right side
    2,634,143.91x = 3,210,788,515,247.97
  5. Step 5: Solve for x
    x = 3,210,788,515,247.97/2,634,143.91
  6. Step 6: Final answer
    x = 1,218,911.58

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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.