Finding the Fourth Proportional to 5,185,621.50, 7,775,942.71 and 2,450,890.99
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Solution
The fourth proportional to 5,185,621.50, 7,775,942.71 and 2,450,890.99 is: 3,675,159.85
Step by Step Solution
- Step 1: Write the proportion equation
5,185,621.50 : 7,775,942.71 = 2,450,890.99 : x - Step 2: Convert to fraction form
5,185,621.50/7,775,942.71 = 2,450,890.99/x - Step 3: Cross multiply
5,185,621.50x = 7,775,942.71 × 2,450,890.99 - Step 4: Simplify right side
5,185,621.50x = 19,057,987,926,695.18 - Step 5: Solve for x
x = 19,057,987,926,695.18/5,185,621.50 - Step 6: Final answer
x = 3,675,159.85
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1.5x scale
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.