Finding the Fourth Proportional to 5,336,926.43, 7,364,948.72 and 2,889,537.17
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Solution
The fourth proportional to 5,336,926.43, 7,364,948.72 and 2,889,537.17 is: 3,987,556.01
Step by Step Solution
- Step 1: Write the proportion equation
5,336,926.43 : 7,364,948.72 = 2,889,537.17 : x - Step 2: Convert to fraction form
5,336,926.43/7,364,948.72 = 2,889,537.17/x - Step 3: Cross multiply
5,336,926.43x = 7,364,948.72 × 2,889,537.17 - Step 4: Simplify right side
5,336,926.43x = 21,281,293,030,311.49 - Step 5: Solve for x
x = 21,281,293,030,311.49/5,336,926.43 - Step 6: Final answer
x = 3,987,556.01
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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.