Home / 5,686,991.21-8,530,486.83-1,900,474.08

Finding the Fourth Proportional to 5,686,991.21, 8,530,486.83 and 1,900,474.08

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Solution

The fourth proportional to 5,686,991.21, 8,530,486.83 and 1,900,474.08 is: 2,850,711.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,686,991.21 : 8,530,486.83 = 1,900,474.08 : x
  2. Step 2: Convert to fraction form
    5,686,991.21/8,530,486.83 = 1,900,474.08/x
  3. Step 3: Cross multiply
    5,686,991.21x = 8,530,486.83 × 1,900,474.08
  4. Step 4: Simplify right side
    5,686,991.21x = 16,211,969,110,196.37
  5. Step 5: Solve for x
    x = 16,211,969,110,196.37/5,686,991.21
  6. Step 6: Final answer
    x = 2,850,711.13

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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.