Finding the Fourth Proportional to 1,802,486.10, 2,703,521.56 and 454,660.90
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Solution
The fourth proportional to 1,802,486.10, 2,703,521.56 and 454,660.90 is: 681,938.98
Step by Step Solution
- Step 1: Write the proportion equation
1,802,486.10 : 2,703,521.56 = 454,660.90 : x - Step 2: Convert to fraction form
1,802,486.10/2,703,521.56 = 454,660.90/x - Step 3: Cross multiply
1,802,486.10x = 2,703,521.56 × 454,660.90 - Step 4: Simplify right side
1,802,486.10x = 1,229,185,538,596.04 - Step 5: Solve for x
x = 1,229,185,538,596.04/1,802,486.10 - Step 6: Final answer
x = 681,938.98
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1.5x scale
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.