Finding the Fourth Proportional to 5,699,337.84, 7,864,850.01 and 3,120,974.19
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Solution
The fourth proportional to 5,699,337.84, 7,864,850.01 and 3,120,974.19 is: 4,306,815.03
Step by Step Solution
- Step 1: Write the proportion equation
5,699,337.84 : 7,864,850.01 = 3,120,974.19 : x - Step 2: Convert to fraction form
5,699,337.84/7,864,850.01 = 3,120,974.19/x - Step 3: Cross multiply
5,699,337.84x = 7,864,850.01 × 3,120,974.19 - Step 4: Simplify right side
5,699,337.84x = 24,545,993,889,431.24 - Step 5: Solve for x
x = 24,545,993,889,431.24/5,699,337.84 - Step 6: Final answer
x = 4,306,815.03
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1.5x scale
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.