Finding the Fourth Proportional to 5,667,063.77, 7,820,550.92 and 3,219,679.09
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Solution
The fourth proportional to 5,667,063.77, 7,820,550.92 and 3,219,679.09 is: 4,443,158.80
Step by Step Solution
- Step 1: Write the proportion equation
5,667,063.77 : 7,820,550.92 = 3,219,679.09 : x - Step 2: Convert to fraction form
5,667,063.77/7,820,550.92 = 3,219,679.09/x - Step 3: Cross multiply
5,667,063.77x = 7,820,550.92 × 3,219,679.09 - Step 4: Simplify right side
5,667,063.77x = 25,179,664,269,404.26 - Step 5: Solve for x
x = 25,179,664,269,404.26/5,667,063.77 - Step 6: Final answer
x = 4,443,158.80
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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.