Finding the Fourth Proportional to 3,394,396.56, 5,091,902.64 and 1,119,927.50
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Solution
The fourth proportional to 3,394,396.56, 5,091,902.64 and 1,119,927.50 is: 1,679,992.80
Step by Step Solution
- Step 1: Write the proportion equation
3,394,396.56 : 5,091,902.64 = 1,119,927.50 : x - Step 2: Convert to fraction form
3,394,396.56/5,091,902.64 = 1,119,927.50/x - Step 3: Cross multiply
3,394,396.56x = 5,091,902.64 × 1,119,927.50 - Step 4: Simplify right side
3,394,396.56x = 5,702,561,768,399.09 - Step 5: Solve for x
x = 5,702,561,768,399.09/3,394,396.56 - Step 6: Final answer
x = 1,679,992.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.