Finding the Fourth Proportional to 3,819,141.36, 5,270,553.66 and 2,187,864
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Solution
The fourth proportional to 3,819,141.36, 5,270,553.66 and 2,187,864 is: 3,019,331.71
Step by Step Solution
- Step 1: Write the proportion equation
3,819,141.36 : 5,270,553.66 = 2,187,864 : x - Step 2: Convert to fraction form
3,819,141.36/5,270,553.66 = 2,187,864/x - Step 3: Cross multiply
3,819,141.36x = 5,270,553.66 × 2,187,864 - Step 4: Simplify right side
3,819,141.36x = 11,531,254,612,782.24 - Step 5: Solve for x
x = 11,531,254,612,782.24/3,819,141.36 - Step 6: Final answer
x = 3,019,331.71
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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.