Finding the Fourth Proportional to 4,677,183.61, 6,972,541.09 and 4,603,477.15
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Solution
The fourth proportional to 4,677,183.61, 6,972,541.09 and 4,603,477.15 is: 6,862,662.72
Step by Step Solution
- Step 1: Write the proportion equation
4,677,183.61 : 6,972,541.09 = 4,603,477.15 : x - Step 2: Convert to fraction form
4,677,183.61/6,972,541.09 = 4,603,477.15/x - Step 3: Cross multiply
4,677,183.61x = 6,972,541.09 × 4,603,477.15 - Step 4: Simplify right side
4,677,183.61x = 32,097,933,582,458.08 - Step 5: Solve for x
x = 32,097,933,582,458.08/4,677,183.61 - Step 6: Final answer
x = 6,862,662.72
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.