Home / 3,285,188.10-4,927,723.83-1,686,811.86

Finding the Fourth Proportional to 3,285,188.10, 4,927,723.83 and 1,686,811.86

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Solution

The fourth proportional to 3,285,188.10, 4,927,723.83 and 1,686,811.86 is: 2,530,187.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,285,188.10 : 4,927,723.83 = 1,686,811.86 : x
  2. Step 2: Convert to fraction form
    3,285,188.10/4,927,723.83 = 1,686,811.86/x
  3. Step 3: Cross multiply
    3,285,188.10x = 4,927,723.83 × 1,686,811.86
  4. Step 4: Simplify right side
    3,285,188.10x = 8,312,142,999,248.62
  5. Step 5: Solve for x
    x = 8,312,142,999,248.62/3,285,188.10
  6. Step 6: Final answer
    x = 2,530,187.85

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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.