Finding the Fourth Proportional to 5,000,956.12, 6,901,352.58 and 2,709,115.12
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Solution
The fourth proportional to 5,000,956.12, 6,901,352.58 and 2,709,115.12 is: 3,738,596.82
Step by Step Solution
- Step 1: Write the proportion equation
5,000,956.12 : 6,901,352.58 = 2,709,115.12 : x - Step 2: Convert to fraction form
5,000,956.12/6,901,352.58 = 2,709,115.12/x - Step 3: Cross multiply
5,000,956.12x = 6,901,352.58 × 2,709,115.12 - Step 4: Simplify right side
5,000,956.12x = 18,696,558,622,929.01 - Step 5: Solve for x
x = 18,696,558,622,929.01/5,000,956.12 - Step 6: Final answer
x = 3,738,596.82
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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.