Home / 2,080,914.60-3,121,955.10-1,015,991.40

Finding the Fourth Proportional to 2,080,914.60, 3,121,955.10 and 1,015,991.40

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Solution

The fourth proportional to 2,080,914.60, 3,121,955.10 and 1,015,991.40 is: 1,524,271.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,080,914.60 : 3,121,955.10 = 1,015,991.40 : x
  2. Step 2: Convert to fraction form
    2,080,914.60/3,121,955.10 = 1,015,991.40/x
  3. Step 3: Cross multiply
    2,080,914.60x = 3,121,955.10 × 1,015,991.40
  4. Step 4: Simplify right side
    2,080,914.60x = 3,171,879,532,786.14
  5. Step 5: Solve for x
    x = 3,171,879,532,786.14/2,080,914.60
  6. Step 6: Final answer
    x = 1,524,271.84

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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.