Home / 4,659,778.46-6,990,071.63-1,422,045.09

Finding the Fourth Proportional to 4,659,778.46, 6,990,071.63 and 1,422,045.09

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Solution

The fourth proportional to 4,659,778.46, 6,990,071.63 and 1,422,045.09 is: 2,133,190.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,659,778.46 : 6,990,071.63 = 1,422,045.09 : x
  2. Step 2: Convert to fraction form
    4,659,778.46/6,990,071.63 = 1,422,045.09/x
  3. Step 3: Cross multiply
    4,659,778.46x = 6,990,071.63 × 1,422,045.09
  4. Step 4: Simplify right side
    4,659,778.46x = 9,940,197,057,664.98
  5. Step 5: Solve for x
    x = 9,940,197,057,664.98/4,659,778.46
  6. Step 6: Final answer
    x = 2,133,190.91

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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.