Home / 2,034,914.40-2,808,237.60-1,311,163.20

Finding the Fourth Proportional to 2,034,914.40, 2,808,237.60 and 1,311,163.20

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Solution

The fourth proportional to 2,034,914.40, 2,808,237.60 and 1,311,163.20 is: 1,809,441.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,034,914.40 : 2,808,237.60 = 1,311,163.20 : x
  2. Step 2: Convert to fraction form
    2,034,914.40/2,808,237.60 = 1,311,163.20/x
  3. Step 3: Cross multiply
    2,034,914.40x = 2,808,237.60 × 1,311,163.20
  4. Step 4: Simplify right side
    2,034,914.40x = 3,682,057,797,976.32
  5. Step 5: Solve for x
    x = 3,682,057,797,976.32/2,034,914.40
  6. Step 6: Final answer
    x = 1,809,441.12

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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.