Finding the Fourth Proportional to 5,302,512.18, 7,317,780.44 and 3,993,455.39
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Solution
The fourth proportional to 5,302,512.18, 7,317,780.44 and 3,993,455.39 is: 5,511,204.63
Step by Step Solution
- Step 1: Write the proportion equation
5,302,512.18 : 7,317,780.44 = 3,993,455.39 : x - Step 2: Convert to fraction form
5,302,512.18/7,317,780.44 = 3,993,455.39/x - Step 3: Cross multiply
5,302,512.18x = 7,317,780.44 × 3,993,455.39 - Step 4: Simplify right side
5,302,512.18x = 29,223,229,684,398.39 - Step 5: Solve for x
x = 29,223,229,684,398.39/5,302,512.18 - Step 6: Final answer
x = 5,511,204.63
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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.