Finding the Fourth Proportional to 1,271,131.94, 1,906,700.99 and 311,591.84
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Solution
The fourth proportional to 1,271,131.94, 1,906,700.99 and 311,591.84 is: 467,388.51
Step by Step Solution
- Step 1: Write the proportion equation
1,271,131.94 : 1,906,700.99 = 311,591.84 : x - Step 2: Convert to fraction form
1,271,131.94/1,906,700.99 = 311,591.84/x - Step 3: Cross multiply
1,271,131.94x = 1,906,700.99 × 311,591.84 - Step 4: Simplify right side
1,271,131.94x = 594,112,458,712.46 - Step 5: Solve for x
x = 594,112,458,712.46/1,271,131.94 - Step 6: Final answer
x = 467,388.51
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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.