Finding the Fourth Proportional to 7,379,021.37, 11,058,127.68 and 3,484,323.06
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Solution
The fourth proportional to 7,379,021.37, 11,058,127.68 and 3,484,323.06 is: 5,221,571.72
Step by Step Solution
- Step 1: Write the proportion equation
7,379,021.37 : 11,058,127.68 = 3,484,323.06 : x - Step 2: Convert to fraction form
7,379,021.37/11,058,127.68 = 3,484,323.06/x - Step 3: Cross multiply
7,379,021.37x = 11,058,127.68 × 3,484,323.06 - Step 4: Simplify right side
7,379,021.37x = 38,530,089,275,848.30 - Step 5: Solve for x
x = 38,530,089,275,848.30/7,379,021.37 - Step 6: Final answer
x = 5,221,571.72
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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.