Finding the Fourth Proportional to 6,896,172.62, 9,516,717.54 and 3,997,245
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Solution
The fourth proportional to 6,896,172.62, 9,516,717.54 and 3,997,245 is: 5,516,197.71
Step by Step Solution
- Step 1: Write the proportion equation
6,896,172.62 : 9,516,717.54 = 3,997,245 : x - Step 2: Convert to fraction form
6,896,172.62/9,516,717.54 = 3,997,245/x - Step 3: Cross multiply
6,896,172.62x = 9,516,717.54 × 3,997,245 - Step 4: Simplify right side
6,896,172.62x = 38,040,651,603,177.30 - Step 5: Solve for x
x = 38,040,651,603,177.30/6,896,172.62 - Step 6: Final answer
x = 5,516,197.71
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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.