Finding the Fourth Proportional to 5,358,330.96, 7,394,467.32 and 2,910,922.80
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Solution
The fourth proportional to 5,358,330.96, 7,394,467.32 and 2,910,922.80 is: 4,017,057.49
Step by Step Solution
- Step 1: Write the proportion equation
5,358,330.96 : 7,394,467.32 = 2,910,922.80 : x - Step 2: Convert to fraction form
5,358,330.96/7,394,467.32 = 2,910,922.80/x - Step 3: Cross multiply
5,358,330.96x = 7,394,467.32 × 2,910,922.80 - Step 4: Simplify right side
5,358,330.96x = 21,524,723,515,642.89 - Step 5: Solve for x
x = 21,524,723,515,642.89/5,358,330.96 - Step 6: Final answer
x = 4,017,057.49
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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.