Finding the Fourth Proportional to 5,356,216.64, 7,393,840.91 and 3,616,243.08
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Solution
The fourth proportional to 5,356,216.64, 7,393,840.91 and 3,616,243.08 is: 4,991,942.60
Step by Step Solution
- Step 1: Write the proportion equation
5,356,216.64 : 7,393,840.91 = 3,616,243.08 : x - Step 2: Convert to fraction form
5,356,216.64/7,393,840.91 = 3,616,243.08/x - Step 3: Cross multiply
5,356,216.64x = 7,393,840.91 × 3,616,243.08 - Step 4: Simplify right side
5,356,216.64x = 26,737,926,007,327.19 - Step 5: Solve for x
x = 26,737,926,007,327.19/5,356,216.64 - Step 6: Final answer
x = 4,991,942.60
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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.