Home / 4,990,288.05-6,886,638.69-2,755,137.60

Finding the Fourth Proportional to 4,990,288.05, 6,886,638.69 and 2,755,137.60

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Solution

The fourth proportional to 4,990,288.05, 6,886,638.69 and 2,755,137.60 is: 3,802,112.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,990,288.05 : 6,886,638.69 = 2,755,137.60 : x
  2. Step 2: Convert to fraction form
    4,990,288.05/6,886,638.69 = 2,755,137.60/x
  3. Step 3: Cross multiply
    4,990,288.05x = 6,886,638.69 × 2,755,137.60
  4. Step 4: Simplify right side
    4,990,288.05x = 18,973,637,192,433.75
  5. Step 5: Solve for x
    x = 18,973,637,192,433.75/4,990,288.05
  6. Step 6: Final answer
    x = 3,802,112.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.