Finding the Fourth Proportional to 3,922,287.63, 5,411,200.46 and 2,268,129.09
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Solution
The fourth proportional to 3,922,287.63, 5,411,200.46 and 2,268,129.09 is: 3,129,118.09
Step by Step Solution
- Step 1: Write the proportion equation
3,922,287.63 : 5,411,200.46 = 2,268,129.09 : x - Step 2: Convert to fraction form
3,922,287.63/5,411,200.46 = 2,268,129.09/x - Step 3: Cross multiply
3,922,287.63x = 5,411,200.46 × 2,268,129.09 - Step 4: Simplify right side
3,922,287.63x = 12,273,301,163,806.73 - Step 5: Solve for x
x = 12,273,301,163,806.73/3,922,287.63 - Step 6: Final answer
x = 3,129,118.09
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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.