Home / 2,107,797.19-3,161,783.26-611,889.19

Finding the Fourth Proportional to 2,107,797.19, 3,161,783.26 and 611,889.19

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Solution

The fourth proportional to 2,107,797.19, 3,161,783.26 and 611,889.19 is: 917,859.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,107,797.19 : 3,161,783.26 = 611,889.19 : x
  2. Step 2: Convert to fraction form
    2,107,797.19/3,161,783.26 = 611,889.19/x
  3. Step 3: Cross multiply
    2,107,797.19x = 3,161,783.26 × 611,889.19
  4. Step 4: Simplify right side
    2,107,797.19x = 1,934,660,990,777.36
  5. Step 5: Solve for x
    x = 1,934,660,990,777.36/2,107,797.19
  6. Step 6: Final answer
    x = 917,859.18

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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.