Finding the Fourth Proportional to 4,211,330.64, 5,811,415.56 and 2,375,734.80
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Solution
The fourth proportional to 4,211,330.64, 5,811,415.56 and 2,375,734.80 is: 3,278,389.51
Step by Step Solution
- Step 1: Write the proportion equation
4,211,330.64 : 5,811,415.56 = 2,375,734.80 : x - Step 2: Convert to fraction form
4,211,330.64/5,811,415.56 = 2,375,734.80/x - Step 3: Cross multiply
4,211,330.64x = 5,811,415.56 × 2,375,734.80 - Step 4: Simplify right side
4,211,330.64x = 13,806,382,183,153.49 - Step 5: Solve for x
x = 13,806,382,183,153.49/4,211,330.64 - Step 6: Final answer
x = 3,278,389.51
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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.