Home / 3,485,135.61-5,228,234.06-1,778,346.14

Finding the Fourth Proportional to 3,485,135.61, 5,228,234.06 and 1,778,346.14

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Solution

The fourth proportional to 3,485,135.61, 5,228,234.06 and 1,778,346.14 is: 2,667,789.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,485,135.61 : 5,228,234.06 = 1,778,346.14 : x
  2. Step 2: Convert to fraction form
    3,485,135.61/5,228,234.06 = 1,778,346.14/x
  3. Step 3: Cross multiply
    3,485,135.61x = 5,228,234.06 × 1,778,346.14
  4. Step 4: Simplify right side
    3,485,135.61x = 9,297,609,824,584.63
  5. Step 5: Solve for x
    x = 9,297,609,824,584.63/3,485,135.61
  6. Step 6: Final answer
    x = 2,667,789.97

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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.