Finding the Fourth Proportional to 3,286,544.26, 4,929,916.81 and 1,127,539.08
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Solution
The fourth proportional to 3,286,544.26, 4,929,916.81 and 1,127,539.08 is: 1,691,343.08
Step by Step Solution
- Step 1: Write the proportion equation
3,286,544.26 : 4,929,916.81 = 1,127,539.08 : x - Step 2: Convert to fraction form
3,286,544.26/4,929,916.81 = 1,127,539.08/x - Step 3: Cross multiply
3,286,544.26x = 4,929,916.81 × 1,127,539.08 - Step 4: Simplify right side
3,286,544.26x = 5,558,673,867,242.78 - Step 5: Solve for x
x = 5,558,673,867,242.78/3,286,544.26 - Step 6: Final answer
x = 1,691,343.08
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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.