Finding the Fourth Proportional to 3,680,723.70, 5,079,274.29 and 2,070,780.66
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Solution
The fourth proportional to 3,680,723.70, 5,079,274.29 and 2,070,780.66 is: 2,857,607.31
Step by Step Solution
- Step 1: Write the proportion equation
3,680,723.70 : 5,079,274.29 = 2,070,780.66 : x - Step 2: Convert to fraction form
3,680,723.70/5,079,274.29 = 2,070,780.66/x - Step 3: Cross multiply
3,680,723.70x = 5,079,274.29 × 2,070,780.66 - Step 4: Simplify right side
3,680,723.70x = 10,518,062,966,567.23 - Step 5: Solve for x
x = 10,518,062,966,567.23/3,680,723.70 - Step 6: Final answer
x = 2,857,607.31
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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.