Home / 6,621,456.40-9,933,912.60-2,133,840.40

Finding the Fourth Proportional to 6,621,456.40, 9,933,912.60 and 2,133,840.40

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Solution

The fourth proportional to 6,621,456.40, 9,933,912.60 and 2,133,840.40 is: 3,201,317.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,621,456.40 : 9,933,912.60 = 2,133,840.40 : x
  2. Step 2: Convert to fraction form
    6,621,456.40/9,933,912.60 = 2,133,840.40/x
  3. Step 3: Cross multiply
    6,621,456.40x = 9,933,912.60 × 2,133,840.40
  4. Step 4: Simplify right side
    6,621,456.40x = 21,197,384,035,949.04
  5. Step 5: Solve for x
    x = 21,197,384,035,949.04/6,621,456.40
  6. Step 6: Final answer
    x = 3,201,317.47

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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.