Finding the Fourth Proportional to 5,317,682.27, 7,974,850.34 and 1,722,615.12
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Solution
The fourth proportional to 5,317,682.27, 7,974,850.34 and 1,722,615.12 is: 2,583,380.71
Step by Step Solution
- Step 1: Write the proportion equation
5,317,682.27 : 7,974,850.34 = 1,722,615.12 : x - Step 2: Convert to fraction form
5,317,682.27/7,974,850.34 = 1,722,615.12/x - Step 3: Cross multiply
5,317,682.27x = 7,974,850.34 × 1,722,615.12 - Step 4: Simplify right side
5,317,682.27x = 13,737,597,766,808.07 - Step 5: Solve for x
x = 13,737,597,766,808.07/5,317,682.27 - Step 6: Final answer
x = 2,583,380.71
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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.