Finding the Fourth Proportional to 6,393,399.40, 8,823,064.26 and 3,816,575.68
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Solution
The fourth proportional to 6,393,399.40, 8,823,064.26 and 3,816,575.68 is: 5,266,977.76
Step by Step Solution
- Step 1: Write the proportion equation
6,393,399.40 : 8,823,064.26 = 3,816,575.68 : x - Step 2: Convert to fraction form
6,393,399.40/8,823,064.26 = 3,816,575.68/x - Step 3: Cross multiply
6,393,399.40x = 8,823,064.26 × 3,816,575.68 - Step 4: Simplify right side
6,393,399.40x = 33,673,892,477,793.20 - Step 5: Solve for x
x = 33,673,892,477,793.20/6,393,399.40 - Step 6: Final answer
x = 5,266,977.76
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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.