Home / 1,999,992.69-2,759,969.70-1,082,201.67

Finding the Fourth Proportional to 1,999,992.69, 2,759,969.70 and 1,082,201.67

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Solution

The fourth proportional to 1,999,992.69, 2,759,969.70 and 1,082,201.67 is: 1,493,427.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,999,992.69 : 2,759,969.70 = 1,082,201.67 : x
  2. Step 2: Convert to fraction form
    1,999,992.69/2,759,969.70 = 1,082,201.67/x
  3. Step 3: Cross multiply
    1,999,992.69x = 2,759,969.70 × 1,082,201.67
  4. Step 4: Simplify right side
    1,999,992.69x = 2,986,843,818,489.40
  5. Step 5: Solve for x
    x = 2,986,843,818,489.40/1,999,992.69
  6. Step 6: Final answer
    x = 1,493,427.37

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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.