Finding the Fourth Proportional to 4,163,655.42, 5,745,528.05 and 2,531,837.52
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Solution
The fourth proportional to 4,163,655.42, 5,745,528.05 and 2,531,837.52 is: 3,493,743.36
Step by Step Solution
- Step 1: Write the proportion equation
4,163,655.42 : 5,745,528.05 = 2,531,837.52 : x - Step 2: Convert to fraction form
4,163,655.42/5,745,528.05 = 2,531,837.52/x - Step 3: Cross multiply
4,163,655.42x = 5,745,528.05 × 2,531,837.52 - Step 4: Simplify right side
4,163,655.42x = 14,546,743,476,543.25 - Step 5: Solve for x
x = 14,546,743,476,543.25/4,163,655.42 - Step 6: Final answer
x = 3,493,743.36
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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.