Finding the Fourth Proportional to 5,511,851.63, 7,606,781.33 and 3,306,797.07
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Solution
The fourth proportional to 5,511,851.63, 7,606,781.33 and 3,306,797.07 is: 4,563,635.58
Step by Step Solution
- Step 1: Write the proportion equation
5,511,851.63 : 7,606,781.33 = 3,306,797.07 : x - Step 2: Convert to fraction form
5,511,851.63/7,606,781.33 = 3,306,797.07/x - Step 3: Cross multiply
5,511,851.63x = 7,606,781.33 × 3,306,797.07 - Step 4: Simplify right side
5,511,851.63x = 25,154,082,214,174.70 - Step 5: Solve for x
x = 25,154,082,214,174.70/5,511,851.63 - Step 6: Final answer
x = 4,563,635.58
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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.