Finding the Fourth Proportional to 3,461,862.19, 5,188,151.52 and 2,694,286.70
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Solution
The fourth proportional to 3,461,862.19, 5,188,151.52 and 2,694,286.70 is: 4,037,817.47
Step by Step Solution
- Step 1: Write the proportion equation
3,461,862.19 : 5,188,151.52 = 2,694,286.70 : x - Step 2: Convert to fraction form
3,461,862.19/5,188,151.52 = 2,694,286.70/x - Step 3: Cross multiply
3,461,862.19x = 5,188,151.52 × 2,694,286.70 - Step 4: Simplify right side
3,461,862.19x = 13,978,367,626,258.54 - Step 5: Solve for x
x = 13,978,367,626,258.54/3,461,862.19 - Step 6: Final answer
x = 4,037,817.47
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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.