Finding the Fourth Proportional to 4,288,715.06, 5,918,530.18 and 2,328,676.46
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Solution
The fourth proportional to 4,288,715.06, 5,918,530.18 and 2,328,676.46 is: 3,213,629.66
Step by Step Solution
- Step 1: Write the proportion equation
4,288,715.06 : 5,918,530.18 = 2,328,676.46 : x - Step 2: Convert to fraction form
4,288,715.06/5,918,530.18 = 2,328,676.46/x - Step 3: Cross multiply
4,288,715.06x = 5,918,530.18 × 2,328,676.46 - Step 4: Simplify right side
4,288,715.06x = 13,782,341,907,965.56 - Step 5: Solve for x
x = 13,782,341,907,965.56/4,288,715.06 - Step 6: Final answer
x = 3,213,629.66
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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.