Finding the Fourth Proportional to 3,445,433.97, 5,167,756.61 and 921,286.05
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Solution
The fourth proportional to 3,445,433.97, 5,167,756.61 and 921,286.05 is: 1,381,823.63
Step by Step Solution
- Step 1: Write the proportion equation
3,445,433.97 : 5,167,756.61 = 921,286.05 : x - Step 2: Convert to fraction form
3,445,433.97/5,167,756.61 = 921,286.05/x - Step 3: Cross multiply
3,445,433.97x = 5,167,756.61 × 921,286.05 - Step 4: Simplify right side
3,445,433.97x = 4,760,982,088,308.46 - Step 5: Solve for x
x = 4,760,982,088,308.46/3,445,433.97 - Step 6: Final answer
x = 1,381,823.63
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.