Finding the Fourth Proportional to 2,747,616.39, 3,787,330.97 and 2,165,891.47
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Solution
The fourth proportional to 2,747,616.39, 3,787,330.97 and 2,165,891.47 is: 2,985,477.84
Step by Step Solution
- Step 1: Write the proportion equation
2,747,616.39 : 3,787,330.97 = 2,165,891.47 : x - Step 2: Convert to fraction form
2,747,616.39/3,787,330.97 = 2,165,891.47/x - Step 3: Cross multiply
2,747,616.39x = 3,787,330.97 × 2,165,891.47 - Step 4: Simplify right side
2,747,616.39x = 8,202,947,837,936.23 - Step 5: Solve for x
x = 8,202,947,837,936.23/2,747,616.39 - Step 6: Final answer
x = 2,985,477.84
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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.