Finding the Fourth Proportional to 5,336,946.36, 7,364,896.16 and 2,889,537.62
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Solution
The fourth proportional to 5,336,946.36, 7,364,896.16 and 2,889,537.62 is: 3,987,513.28
Step by Step Solution
- Step 1: Write the proportion equation
5,336,946.36 : 7,364,896.16 = 2,889,537.62 : x - Step 2: Convert to fraction form
5,336,946.36/7,364,896.16 = 2,889,537.62/x - Step 3: Cross multiply
5,336,946.36x = 7,364,896.16 × 2,889,537.62 - Step 4: Simplify right side
5,336,946.36x = 21,281,144,470,441.37 - Step 5: Solve for x
x = 21,281,144,470,441.37/5,336,946.36 - Step 6: Final answer
x = 3,987,513.28
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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.