Home / 3,809,619.41-5,257,101.53-2,090,705.81

Finding the Fourth Proportional to 3,809,619.41, 5,257,101.53 and 2,090,705.81

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Solution

The fourth proportional to 3,809,619.41, 5,257,101.53 and 2,090,705.81 is: 2,885,078.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,809,619.41 : 5,257,101.53 = 2,090,705.81 : x
  2. Step 2: Convert to fraction form
    3,809,619.41/5,257,101.53 = 2,090,705.81/x
  3. Step 3: Cross multiply
    3,809,619.41x = 5,257,101.53 × 2,090,705.81
  4. Step 4: Simplify right side
    3,809,619.41x = 10,991,052,691,472.14
  5. Step 5: Solve for x
    x = 10,991,052,691,472.14/3,809,619.41
  6. Step 6: Final answer
    x = 2,885,078.93

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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.