Finding the Fourth Proportional to 5,125,778.48, 7,073,487.60 and 3,658,388.96
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Solution
The fourth proportional to 5,125,778.48, 7,073,487.60 and 3,658,388.96 is: 5,048,514.88
Step by Step Solution
- Step 1: Write the proportion equation
5,125,778.48 : 7,073,487.60 = 3,658,388.96 : x - Step 2: Convert to fraction form
5,125,778.48/7,073,487.60 = 3,658,388.96/x - Step 3: Cross multiply
5,125,778.48x = 7,073,487.60 × 3,658,388.96 - Step 4: Simplify right side
5,125,778.48x = 25,877,568,944,536.89 - Step 5: Solve for x
x = 25,877,568,944,536.89/5,125,778.48 - Step 6: Final answer
x = 5,048,514.88
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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.