Home / 3,188,140.25-4,399,467.52-1,811,292.86

Finding the Fourth Proportional to 3,188,140.25, 4,399,467.52 and 1,811,292.86

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Solution

The fourth proportional to 3,188,140.25, 4,399,467.52 and 1,811,292.86 is: 2,499,489.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,188,140.25 : 4,399,467.52 = 1,811,292.86 : x
  2. Step 2: Convert to fraction form
    3,188,140.25/4,399,467.52 = 1,811,292.86/x
  3. Step 3: Cross multiply
    3,188,140.25x = 4,399,467.52 × 1,811,292.86
  4. Step 4: Simplify right side
    3,188,140.25x = 7,968,724,113,248.34
  5. Step 5: Solve for x
    x = 7,968,724,113,248.34/3,188,140.25
  6. Step 6: Final answer
    x = 2,499,489.83

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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.