Finding the Fourth Proportional to 5,079,397.36, 7,007,573.02 and 2,902,772.84
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Solution
The fourth proportional to 5,079,397.36, 7,007,573.02 and 2,902,772.84 is: 4,004,686.22
Step by Step Solution
- Step 1: Write the proportion equation
5,079,397.36 : 7,007,573.02 = 2,902,772.84 : x - Step 2: Convert to fraction form
5,079,397.36/7,007,573.02 = 2,902,772.84/x - Step 3: Cross multiply
5,079,397.36x = 7,007,573.02 × 2,902,772.84 - Step 4: Simplify right side
5,079,397.36x = 20,341,392,636,772.77 - Step 5: Solve for x
x = 20,341,392,636,772.77/5,079,397.36 - Step 6: Final answer
x = 4,004,686.22
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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.