Finding the Fourth Proportional to 3,517,086.90, 5,272,874.19 and 1,388,764.08
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Solution
The fourth proportional to 3,517,086.90, 5,272,874.19 and 1,388,764.08 is: 2,082,057.82
Step by Step Solution
- Step 1: Write the proportion equation
3,517,086.90 : 5,272,874.19 = 1,388,764.08 : x - Step 2: Convert to fraction form
3,517,086.90/5,272,874.19 = 1,388,764.08/x - Step 3: Cross multiply
3,517,086.90x = 5,272,874.19 × 1,388,764.08 - Step 4: Simplify right side
3,517,086.90x = 7,322,778,273,431.10 - Step 5: Solve for x
x = 7,322,778,273,431.10/3,517,086.90 - Step 6: Final answer
x = 2,082,057.82
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.