Finding the Fourth Proportional to 2,526,021.68, 3,485,727.96 and 1,379,858.72
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Solution
The fourth proportional to 2,526,021.68, 3,485,727.96 and 1,379,858.72 is: 1,904,105.64
Step by Step Solution
- Step 1: Write the proportion equation
2,526,021.68 : 3,485,727.96 = 1,379,858.72 : x - Step 2: Convert to fraction form
2,526,021.68/3,485,727.96 = 1,379,858.72/x - Step 3: Cross multiply
2,526,021.68x = 3,485,727.96 × 1,379,858.72 - Step 4: Simplify right side
2,526,021.68x = 4,809,812,121,153.81 - Step 5: Solve for x
x = 4,809,812,121,153.81/2,526,021.68 - Step 6: Final answer
x = 1,904,105.64
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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.