Finding the Fourth Proportional to 5,698,868.70, 7,864,440.48 and 3,085,372.26
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Solution
The fourth proportional to 5,698,868.70, 7,864,440.48 and 3,085,372.26 is: 4,257,814.63
Step by Step Solution
- Step 1: Write the proportion equation
5,698,868.70 : 7,864,440.48 = 3,085,372.26 : x - Step 2: Convert to fraction form
5,698,868.70/7,864,440.48 = 3,085,372.26/x - Step 3: Cross multiply
5,698,868.70x = 7,864,440.48 × 3,085,372.26 - Step 4: Simplify right side
5,698,868.70x = 24,264,726,497,413.09 - Step 5: Solve for x
x = 24,264,726,497,413.09/5,698,868.70 - Step 6: Final answer
x = 4,257,814.63
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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.