Finding the Fourth Proportional to 5,387,296.37, 8,083,782.05 and 3,114,416.97
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Solution
The fourth proportional to 5,387,296.37, 8,083,782.05 and 3,114,416.97 is: 4,673,265.82
Step by Step Solution
- Step 1: Write the proportion equation
5,387,296.37 : 8,083,782.05 = 3,114,416.97 : x - Step 2: Convert to fraction form
5,387,296.37/8,083,782.05 = 3,114,416.97/x - Step 3: Cross multiply
5,387,296.37x = 8,083,782.05 × 3,114,416.97 - Step 4: Simplify right side
5,387,296.37x = 25,176,267,982,729.30 - Step 5: Solve for x
x = 25,176,267,982,729.30/5,387,296.37 - Step 6: Final answer
x = 4,673,265.82
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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.