Finding the Fourth Proportional to 1,512,330.09, 2,087,062.79 and 867,868.17
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Solution
The fourth proportional to 1,512,330.09, 2,087,062.79 and 867,868.17 is: 1,197,685.20
Step by Step Solution
- Step 1: Write the proportion equation
1,512,330.09 : 2,087,062.79 = 867,868.17 : x - Step 2: Convert to fraction form
1,512,330.09/2,087,062.79 = 867,868.17/x - Step 3: Cross multiply
1,512,330.09x = 2,087,062.79 × 867,868.17 - Step 4: Simplify right side
1,512,330.09x = 1,811,295,359,893.05 - Step 5: Solve for x
x = 1,811,295,359,893.05/1,512,330.09 - Step 6: Final answer
x = 1,197,685.20
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1.5x scale
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.