Finding the Fourth Proportional to 3,809,509.87, 5,713,914.88 and 1,285,186.99
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Solution
The fourth proportional to 3,809,509.87, 5,713,914.88 and 1,285,186.99 is: 1,927,662.43
Step by Step Solution
- Step 1: Write the proportion equation
3,809,509.87 : 5,713,914.88 = 1,285,186.99 : x - Step 2: Convert to fraction form
3,809,509.87/5,713,914.88 = 1,285,186.99/x - Step 3: Cross multiply
3,809,509.87x = 5,713,914.88 × 1,285,186.99 - Step 4: Simplify right side
3,809,509.87x = 7,343,449,065,743.41 - Step 5: Solve for x
x = 7,343,449,065,743.41/3,809,509.87 - Step 6: Final answer
x = 1,927,662.43
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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.