Finding the Fourth Proportional to 2,089,571.18, 3,133,837.65 and 1,179,153.35
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Solution
The fourth proportional to 2,089,571.18, 3,133,837.65 and 1,179,153.35 is: 1,768,437.09
Step by Step Solution
- Step 1: Write the proportion equation
2,089,571.18 : 3,133,837.65 = 1,179,153.35 : x - Step 2: Convert to fraction form
2,089,571.18/3,133,837.65 = 1,179,153.35/x - Step 3: Cross multiply
2,089,571.18x = 3,133,837.65 × 1,179,153.35 - Step 4: Simplify right side
2,089,571.18x = 3,695,275,163,858.16 - Step 5: Solve for x
x = 3,695,275,163,858.16/2,089,571.18 - Step 6: Final answer
x = 1,768,437.09
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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.