Finding the Fourth Proportional to 5,859,796.80, 8,789,695.20 and 2,021,611.80
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Solution
The fourth proportional to 5,859,796.80, 8,789,695.20 and 2,021,611.80 is: 3,032,417.70
Step by Step Solution
- Step 1: Write the proportion equation
5,859,796.80 : 8,789,695.20 = 2,021,611.80 : x - Step 2: Convert to fraction form
5,859,796.80/8,789,695.20 = 2,021,611.80/x - Step 3: Cross multiply
5,859,796.80x = 8,789,695.20 × 2,021,611.80 - Step 4: Simplify right side
5,859,796.80x = 17,769,351,534,723.36 - Step 5: Solve for x
x = 17,769,351,534,723.36/5,859,796.80 - Step 6: Final answer
x = 3,032,417.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.