Finding the Fourth Proportional to 2,821,678.68, 3,893,944.68 and 1,532,544.24
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Solution
The fourth proportional to 2,821,678.68, 3,893,944.68 and 1,532,544.24 is: 2,114,926.31
Step by Step Solution
- Step 1: Write the proportion equation
2,821,678.68 : 3,893,944.68 = 1,532,544.24 : x - Step 2: Convert to fraction form
2,821,678.68/3,893,944.68 = 1,532,544.24/x - Step 3: Cross multiply
2,821,678.68x = 3,893,944.68 × 1,532,544.24 - Step 4: Simplify right side
2,821,678.68x = 5,967,642,490,212.64 - Step 5: Solve for x
x = 5,967,642,490,212.64/2,821,678.68 - Step 6: Final answer
x = 2,114,926.31
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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.