Finding the Fourth Proportional to 1,898,528.10, 2,619,653.85 and 1,082,791.08
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Solution
The fourth proportional to 1,898,528.10, 2,619,653.85 and 1,082,791.08 is: 1,494,072.08
Step by Step Solution
- Step 1: Write the proportion equation
1,898,528.10 : 2,619,653.85 = 1,082,791.08 : x - Step 2: Convert to fraction form
1,898,528.10/2,619,653.85 = 1,082,791.08/x - Step 3: Cross multiply
1,898,528.10x = 2,619,653.85 × 1,082,791.08 - Step 4: Simplify right side
1,898,528.10x = 2,836,537,821,467.66 - Step 5: Solve for x
x = 2,836,537,821,467.66/1,898,528.10 - Step 6: Final answer
x = 1,494,072.08
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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.