Finding the Fourth Proportional to 3,455,382.17, 4,770,153.79 and 2,149,055.33
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Solution
The fourth proportional to 3,455,382.17, 4,770,153.79 and 2,149,055.33 is: 2,966,770.07
Step by Step Solution
- Step 1: Write the proportion equation
3,455,382.17 : 4,770,153.79 = 2,149,055.33 : x - Step 2: Convert to fraction form
3,455,382.17/4,770,153.79 = 2,149,055.33/x - Step 3: Cross multiply
3,455,382.17x = 4,770,153.79 × 2,149,055.33 - Step 4: Simplify right side
3,455,382.17x = 10,251,324,398,095.79 - Step 5: Solve for x
x = 10,251,324,398,095.79/3,455,382.17 - Step 6: Final answer
x = 2,966,770.07
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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.