Home / 1,620,328.82-2,232,896.37-1,166,763.38

Finding the Fourth Proportional to 1,620,328.82, 2,232,896.37 and 1,166,763.38

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Solution

The fourth proportional to 1,620,328.82, 2,232,896.37 and 1,166,763.38 is: 1,607,859.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,620,328.82 : 2,232,896.37 = 1,166,763.38 : x
  2. Step 2: Convert to fraction form
    1,620,328.82/2,232,896.37 = 1,166,763.38/x
  3. Step 3: Cross multiply
    1,620,328.82x = 2,232,896.37 × 1,166,763.38
  4. Step 4: Simplify right side
    1,620,328.82x = 2,605,261,715,850.93
  5. Step 5: Solve for x
    x = 2,605,261,715,850.93/1,620,328.82
  6. Step 6: Final answer
    x = 1,607,859.89

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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.