Finding the Fourth Proportional to 5,091,910.08, 7,025,115.98 and 2,886,536.30
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Solution
The fourth proportional to 5,091,910.08, 7,025,115.98 and 2,886,536.30 is: 3,982,445.09
Step by Step Solution
- Step 1: Write the proportion equation
5,091,910.08 : 7,025,115.98 = 2,886,536.30 : x - Step 2: Convert to fraction form
5,091,910.08/7,025,115.98 = 2,886,536.30/x - Step 3: Cross multiply
5,091,910.08x = 7,025,115.98 × 2,886,536.30 - Step 4: Simplify right side
5,091,910.08x = 20,278,252,287,980.07 - Step 5: Solve for x
x = 20,278,252,287,980.07/5,091,910.08 - Step 6: Final answer
x = 3,982,445.09
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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.