Home / 6,409,469.39-9,611,120.34-2,146,656.47

Finding the Fourth Proportional to 6,409,469.39, 9,611,120.34 and 2,146,656.47

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Solution

The fourth proportional to 6,409,469.39, 9,611,120.34 and 2,146,656.47 is: 3,218,951.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,409,469.39 : 9,611,120.34 = 2,146,656.47 : x
  2. Step 2: Convert to fraction form
    6,409,469.39/9,611,120.34 = 2,146,656.47/x
  3. Step 3: Cross multiply
    6,409,469.39x = 9,611,120.34 × 2,146,656.47
  4. Step 4: Simplify right side
    6,409,469.39x = 20,631,773,613,754.00
  5. Step 5: Solve for x
    x = 20,631,773,613,754.00/6,409,469.39
  6. Step 6: Final answer
    x = 3,218,951.89

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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.