Finding the Fourth Proportional to 3,259,112.60, 4,888,855.84 and 862,895
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Solution
The fourth proportional to 3,259,112.60, 4,888,855.84 and 862,895 is: 1,294,391.99
Step by Step Solution
- Step 1: Write the proportion equation
3,259,112.60 : 4,888,855.84 = 862,895 : x - Step 2: Convert to fraction form
3,259,112.60/4,888,855.84 = 862,895/x - Step 3: Cross multiply
3,259,112.60x = 4,888,855.84 × 862,895 - Step 4: Simplify right side
3,259,112.60x = 4,218,569,260,056.80 - Step 5: Solve for x
x = 4,218,569,260,056.80/3,259,112.60 - Step 6: Final answer
x = 1,294,391.99
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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.