Finding the Fourth Proportional to 1,512,231.84, 2,086,927.20 and 867,769.92
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Solution
The fourth proportional to 1,512,231.84, 2,086,927.20 and 867,769.92 is: 1,197,549.61
Step by Step Solution
- Step 1: Write the proportion equation
1,512,231.84 : 2,086,927.20 = 867,769.92 : x - Step 2: Convert to fraction form
1,512,231.84/2,086,927.20 = 867,769.92/x - Step 3: Cross multiply
1,512,231.84x = 2,086,927.20 × 867,769.92 - Step 4: Simplify right side
1,512,231.84x = 1,810,972,649,389.82 - Step 5: Solve for x
x = 1,810,972,649,389.82/1,512,231.84 - Step 6: Final answer
x = 1,197,549.61
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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.