Finding the Fourth Proportional to 3,494,471.52, 4,821,572.88 and 1,966,020.96
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Solution
The fourth proportional to 3,494,471.52, 4,821,572.88 and 1,966,020.96 is: 2,712,660.07
Step by Step Solution
- Step 1: Write the proportion equation
3,494,471.52 : 4,821,572.88 = 1,966,020.96 : x - Step 2: Convert to fraction form
3,494,471.52/4,821,572.88 = 1,966,020.96/x - Step 3: Cross multiply
3,494,471.52x = 4,821,572.88 × 1,966,020.96 - Step 4: Simplify right side
3,494,471.52x = 9,479,313,342,247.57 - Step 5: Solve for x
x = 9,479,313,342,247.57/3,494,471.52 - Step 6: Final answer
x = 2,712,660.07
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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.