Finding the Fourth Proportional to 3,890,087.74, 5,835,999.12 and 1,194,684.99
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Solution
The fourth proportional to 3,890,087.74, 5,835,999.12 and 1,194,684.99 is: 1,792,293.91
Step by Step Solution
- Step 1: Write the proportion equation
3,890,087.74 : 5,835,999.12 = 1,194,684.99 : x - Step 2: Convert to fraction form
3,890,087.74/5,835,999.12 = 1,194,684.99/x - Step 3: Cross multiply
3,890,087.74x = 5,835,999.12 × 1,194,684.99 - Step 4: Simplify right side
3,890,087.74x = 6,972,180,550,317.21 - Step 5: Solve for x
x = 6,972,180,550,317.21/3,890,087.74 - Step 6: Final answer
x = 1,792,293.91
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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.