Finding the Fourth Proportional to 5,465,036.32, 7,543,876.92 and 4,891,079.68
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Solution
The fourth proportional to 5,465,036.32, 7,543,876.92 and 4,891,079.68 is: 6,751,593.39
Step by Step Solution
- Step 1: Write the proportion equation
5,465,036.32 : 7,543,876.92 = 4,891,079.68 : x - Step 2: Convert to fraction form
5,465,036.32/7,543,876.92 = 4,891,079.68/x - Step 3: Cross multiply
5,465,036.32x = 7,543,876.92 × 4,891,079.68 - Step 4: Simplify right side
5,465,036.32x = 36,897,703,111,832.98 - Step 5: Solve for x
x = 36,897,703,111,832.98/5,465,036.32 - Step 6: Final answer
x = 6,751,593.39
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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.