Finding the Fourth Proportional to 4,919,173.42, 6,788,468.62 and 2,743,857.48
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Solution
The fourth proportional to 4,919,173.42, 6,788,468.62 and 2,743,857.48 is: 3,786,528.51
Step by Step Solution
- Step 1: Write the proportion equation
4,919,173.42 : 6,788,468.62 = 2,743,857.48 : x - Step 2: Convert to fraction form
4,919,173.42/6,788,468.62 = 2,743,857.48/x - Step 3: Cross multiply
4,919,173.42x = 6,788,468.62 × 2,743,857.48 - Step 4: Simplify right side
4,919,173.42x = 18,626,590,400,732.28 - Step 5: Solve for x
x = 18,626,590,400,732.28/4,919,173.42 - Step 6: Final answer
x = 3,786,528.51
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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.