Finding the Fourth Proportional to 3,200,352.36, 4,788,718.73 and 1,921,738.53
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Solution
The fourth proportional to 3,200,352.36, 4,788,718.73 and 1,921,738.53 is: 2,875,516.27
Step by Step Solution
- Step 1: Write the proportion equation
3,200,352.36 : 4,788,718.73 = 1,921,738.53 : x - Step 2: Convert to fraction form
3,200,352.36/4,788,718.73 = 1,921,738.53/x - Step 3: Cross multiply
3,200,352.36x = 4,788,718.73 × 1,921,738.53 - Step 4: Simplify right side
3,200,352.36x = 9,202,665,286,775.08 - Step 5: Solve for x
x = 9,202,665,286,775.08/3,200,352.36 - Step 6: Final answer
x = 2,875,516.27
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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.