Finding the Fourth Proportional to 7,192,840.88, 10,794,570.60 and 3,406,317.68
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Solution
The fourth proportional to 7,192,840.88, 10,794,570.60 and 3,406,317.68 is: 5,111,990.84
Step by Step Solution
- Step 1: Write the proportion equation
7,192,840.88 : 10,794,570.60 = 3,406,317.68 : x - Step 2: Convert to fraction form
7,192,840.88/10,794,570.60 = 3,406,317.68/x - Step 3: Cross multiply
7,192,840.88x = 10,794,570.60 × 3,406,317.68 - Step 4: Simplify right side
7,192,840.88x = 36,769,736,682,788.21 - Step 5: Solve for x
x = 36,769,736,682,788.21/7,192,840.88 - Step 6: Final answer
x = 5,111,990.84
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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.