Finding the Fourth Proportional to 5,364,391.20, 8,048,012.40 and 2,330,455.20
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Solution
The fourth proportional to 5,364,391.20, 8,048,012.40 and 2,330,455.20 is: 3,496,302.12
Step by Step Solution
- Step 1: Write the proportion equation
5,364,391.20 : 8,048,012.40 = 2,330,455.20 : x - Step 2: Convert to fraction form
5,364,391.20/8,048,012.40 = 2,330,455.20/x - Step 3: Cross multiply
5,364,391.20x = 8,048,012.40 × 2,330,455.20 - Step 4: Simplify right side
5,364,391.20x = 18,755,532,347,244.48 - Step 5: Solve for x
x = 18,755,532,347,244.48/5,364,391.20 - Step 6: Final answer
x = 3,496,302.12
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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.