Finding the Fourth Proportional to 4,990,954.41, 6,887,537.84 and 2,699,115.10
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Solution
The fourth proportional to 4,990,954.41, 6,887,537.84 and 2,699,115.10 is: 3,724,790.06
Step by Step Solution
- Step 1: Write the proportion equation
4,990,954.41 : 6,887,537.84 = 2,699,115.10 : x - Step 2: Convert to fraction form
4,990,954.41/6,887,537.84 = 2,699,115.10/x - Step 3: Cross multiply
4,990,954.41x = 6,887,537.84 × 2,699,115.10 - Step 4: Simplify right side
4,990,954.41x = 18,590,257,385,765.38 - Step 5: Solve for x
x = 18,590,257,385,765.38/4,990,954.41 - Step 6: Final answer
x = 3,724,790.06
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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.