Finding the Fourth Proportional to 1,540,190.99, 2,320,684.02 and 1,276,194.12
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Solution
The fourth proportional to 1,540,190.99, 2,320,684.02 and 1,276,194.12 is: 1,922,906.52
Step by Step Solution
- Step 1: Write the proportion equation
1,540,190.99 : 2,320,684.02 = 1,276,194.12 : x - Step 2: Convert to fraction form
1,540,190.99/2,320,684.02 = 1,276,194.12/x - Step 3: Cross multiply
1,540,190.99x = 2,320,684.02 × 1,276,194.12 - Step 4: Simplify right side
1,540,190.99x = 2,961,643,286,615.39 - Step 5: Solve for x
x = 2,961,643,286,615.39/1,540,190.99 - Step 6: Final answer
x = 1,922,906.52
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.