Finding the Fourth Proportional to 5,528,949.84, 7,630,394.40 and 3,082,352.94
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Solution
The fourth proportional to 5,528,949.84, 7,630,394.40 and 3,082,352.94 is: 4,253,894.37
Step by Step Solution
- Step 1: Write the proportion equation
5,528,949.84 : 7,630,394.40 = 3,082,352.94 : x - Step 2: Convert to fraction form
5,528,949.84/7,630,394.40 = 3,082,352.94/x - Step 3: Cross multiply
5,528,949.84x = 7,630,394.40 × 3,082,352.94 - Step 4: Simplify right side
5,528,949.84x = 23,519,568,612,199.54 - Step 5: Solve for x
x = 23,519,568,612,199.54/5,528,949.84 - Step 6: Final answer
x = 4,253,894.37
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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.