Finding the Fourth Proportional to 2,097,445.68, 2,894,720.76 and 1,192,163.76
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Solution
The fourth proportional to 2,097,445.68, 2,894,720.76 and 1,192,163.76 is: 1,645,325.65
Step by Step Solution
- Step 1: Write the proportion equation
2,097,445.68 : 2,894,720.76 = 1,192,163.76 : x - Step 2: Convert to fraction form
2,097,445.68/2,894,720.76 = 1,192,163.76/x - Step 3: Cross multiply
2,097,445.68x = 2,894,720.76 × 1,192,163.76 - Step 4: Simplify right side
2,097,445.68x = 3,450,981,185,391.66 - Step 5: Solve for x
x = 3,450,981,185,391.66/2,097,445.68 - Step 6: Final answer
x = 1,645,325.65
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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.