Finding the Fourth Proportional to 6,463,717.80, 8,919,992.64 and 3,563,212.44
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Solution
The fourth proportional to 6,463,717.80, 8,919,992.64 and 3,563,212.44 is: 4,917,267.39
Step by Step Solution
- Step 1: Write the proportion equation
6,463,717.80 : 8,919,992.64 = 3,563,212.44 : x - Step 2: Convert to fraction form
6,463,717.80/8,919,992.64 = 3,563,212.44/x - Step 3: Cross multiply
6,463,717.80x = 8,919,992.64 × 3,563,212.44 - Step 4: Simplify right side
6,463,717.80x = 31,783,828,739,556.44 - Step 5: Solve for x
x = 31,783,828,739,556.44/6,463,717.80 - Step 6: Final answer
x = 4,917,267.39
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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.