Home / 2,103,808.40-3,157,786.20-1,040,051.60

Finding the Fourth Proportional to 2,103,808.40, 3,157,786.20 and 1,040,051.60

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Solution

The fourth proportional to 2,103,808.40, 3,157,786.20 and 1,040,051.60 is: 1,561,102.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,103,808.40 : 3,157,786.20 = 1,040,051.60 : x
  2. Step 2: Convert to fraction form
    2,103,808.40/3,157,786.20 = 1,040,051.60/x
  3. Step 3: Cross multiply
    2,103,808.40x = 3,157,786.20 × 1,040,051.60
  4. Step 4: Simplify right side
    2,103,808.40x = 3,284,260,589,767.92
  5. Step 5: Solve for x
    x = 3,284,260,589,767.92/2,103,808.40
  6. Step 6: Final answer
    x = 1,561,102.52

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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.