Home / 1,681,236.96-2,317,396.62-1,137,174.21

Finding the Fourth Proportional to 1,681,236.96, 2,317,396.62 and 1,137,174.21

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Solution

The fourth proportional to 1,681,236.96, 2,317,396.62 and 1,137,174.21 is: 1,567,467.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,681,236.96 : 2,317,396.62 = 1,137,174.21 : x
  2. Step 2: Convert to fraction form
    1,681,236.96/2,317,396.62 = 1,137,174.21/x
  3. Step 3: Cross multiply
    1,681,236.96x = 2,317,396.62 × 1,137,174.21
  4. Step 4: Simplify right side
    1,681,236.96x = 2,635,283,670,605.17
  5. Step 5: Solve for x
    x = 2,635,283,670,605.17/1,681,236.96
  6. Step 6: Final answer
    x = 1,567,467.13

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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.