Finding the Fourth Proportional to 5,757,378.80, 8,637,234.60 and 1,971,244.40
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Solution
The fourth proportional to 5,757,378.80, 8,637,234.60 and 1,971,244.40 is: 2,957,265.96
Step by Step Solution
- Step 1: Write the proportion equation
5,757,378.80 : 8,637,234.60 = 1,971,244.40 : x - Step 2: Convert to fraction form
5,757,378.80/8,637,234.60 = 1,971,244.40/x - Step 3: Cross multiply
5,757,378.80x = 8,637,234.60 × 1,971,244.40 - Step 4: Simplify right side
5,757,378.80x = 17,026,100,336,736.24 - Step 5: Solve for x
x = 17,026,100,336,736.24/5,757,378.80 - Step 6: Final answer
x = 2,957,265.96
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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.