Finding the Fourth Proportional to 2,431,274.58, 3,355,146.09 and 1,343,621.70
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Solution
The fourth proportional to 2,431,274.58, 3,355,146.09 and 1,343,621.70 is: 1,854,190.86
Step by Step Solution
- Step 1: Write the proportion equation
2,431,274.58 : 3,355,146.09 = 1,343,621.70 : x - Step 2: Convert to fraction form
2,431,274.58/3,355,146.09 = 1,343,621.70/x - Step 3: Cross multiply
2,431,274.58x = 3,355,146.09 × 1,343,621.70 - Step 4: Simplify right side
2,431,274.58x = 4,508,047,093,194.15 - Step 5: Solve for x
x = 4,508,047,093,194.15/2,431,274.58 - Step 6: Final answer
x = 1,854,190.86
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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.