Finding the Fourth Proportional to 5,012,412.75, 6,916,944.42 and 2,720,524.23
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Solution
The fourth proportional to 5,012,412.75, 6,916,944.42 and 2,720,524.23 is: 3,754,222.93
Step by Step Solution
- Step 1: Write the proportion equation
5,012,412.75 : 6,916,944.42 = 2,720,524.23 : x - Step 2: Convert to fraction form
5,012,412.75/6,916,944.42 = 2,720,524.23/x - Step 3: Cross multiply
5,012,412.75x = 6,916,944.42 × 2,720,524.23 - Step 4: Simplify right side
5,012,412.75x = 18,817,714,892,173.30 - Step 5: Solve for x
x = 18,817,714,892,173.30/5,012,412.75 - Step 6: Final answer
x = 3,754,222.93
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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.