Home / 2,590,873.80-3,886,310.70-2,422,912.20

Finding the Fourth Proportional to 2,590,873.80, 3,886,310.70 and 2,422,912.20

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Solution

The fourth proportional to 2,590,873.80, 3,886,310.70 and 2,422,912.20 is: 3,634,368.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,590,873.80 : 3,886,310.70 = 2,422,912.20 : x
  2. Step 2: Convert to fraction form
    2,590,873.80/3,886,310.70 = 2,422,912.20/x
  3. Step 3: Cross multiply
    2,590,873.80x = 3,886,310.70 × 2,422,912.20
  4. Step 4: Simplify right side
    2,590,873.80x = 9,416,189,608,020.54
  5. Step 5: Solve for x
    x = 9,416,189,608,020.54/2,590,873.80
  6. Step 6: Final answer
    x = 3,634,368.30

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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.