Finding the Fourth Proportional to 1,543,736.07, 2,131,395.39 and 963,842.09
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Solution
The fourth proportional to 1,543,736.07, 2,131,395.39 and 963,842.09 is: 1,330,751.17
Step by Step Solution
- Step 1: Write the proportion equation
1,543,736.07 : 2,131,395.39 = 963,842.09 : x - Step 2: Convert to fraction form
1,543,736.07/2,131,395.39 = 963,842.09/x - Step 3: Cross multiply
1,543,736.07x = 2,131,395.39 × 963,842.09 - Step 4: Simplify right side
1,543,736.07x = 2,054,328,576,656.99 - Step 5: Solve for x
x = 2,054,328,576,656.99/1,543,736.07 - Step 6: Final answer
x = 1,330,751.17
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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.