Finding the Fourth Proportional to 4,845,986.24, 7,268,716.20 and 1,479,930.80
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Solution
The fourth proportional to 4,845,986.24, 7,268,716.20 and 1,479,930.80 is: 2,219,815.83
Step by Step Solution
- Step 1: Write the proportion equation
4,845,986.24 : 7,268,716.20 = 1,479,930.80 : x - Step 2: Convert to fraction form
4,845,986.24/7,268,716.20 = 1,479,930.80/x - Step 3: Cross multiply
4,845,986.24x = 7,268,716.20 × 1,479,930.80 - Step 4: Simplify right side
4,845,986.24x = 10,757,196,980,838.96 - Step 5: Solve for x
x = 10,757,196,980,838.96/4,845,986.24 - Step 6: Final answer
x = 2,219,815.83
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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.