Finding the Fourth Proportional to 6,311,366.18, 9,467,051.87 and 1,519,055.45
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Solution
The fourth proportional to 6,311,366.18, 9,467,051.87 and 1,519,055.45 is: 2,278,583.80
Step by Step Solution
- Step 1: Write the proportion equation
6,311,366.18 : 9,467,051.87 = 1,519,055.45 : x - Step 2: Convert to fraction form
6,311,366.18/9,467,051.87 = 1,519,055.45/x - Step 3: Cross multiply
6,311,366.18x = 9,467,051.87 × 1,519,055.45 - Step 4: Simplify right side
6,311,366.18x = 14,380,976,766,021.46 - Step 5: Solve for x
x = 14,380,976,766,021.46/6,311,366.18 - Step 6: Final answer
x = 2,278,583.80
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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.