Finding the Fourth Proportional to 1,703,121.36, 2,350,274.76 and 939,245.52
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Solution
The fourth proportional to 1,703,121.36, 2,350,274.76 and 939,245.52 is: 1,296,140.77
Step by Step Solution
- Step 1: Write the proportion equation
1,703,121.36 : 2,350,274.76 = 939,245.52 : x - Step 2: Convert to fraction form
1,703,121.36/2,350,274.76 = 939,245.52/x - Step 3: Cross multiply
1,703,121.36x = 2,350,274.76 × 939,245.52 - Step 4: Simplify right side
1,703,121.36x = 2,207,485,039,099.08 - Step 5: Solve for x
x = 2,207,485,039,099.08/1,703,121.36 - Step 6: Final answer
x = 1,296,140.77
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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.