Finding the Fourth Proportional to 1,743,596.64, 2,407,236.84 and 1,382,479.20
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Solution
The fourth proportional to 1,743,596.64, 2,407,236.84 and 1,382,479.20 is: 1,908,672.44
Step by Step Solution
- Step 1: Write the proportion equation
1,743,596.64 : 2,407,236.84 = 1,382,479.20 : x - Step 2: Convert to fraction form
1,743,596.64/2,407,236.84 = 1,382,479.20/x - Step 3: Cross multiply
1,743,596.64x = 2,407,236.84 × 1,382,479.20 - Step 4: Simplify right side
1,743,596.64x = 3,327,954,860,773.73 - Step 5: Solve for x
x = 3,327,954,860,773.73/1,743,596.64 - Step 6: Final answer
x = 1,908,672.44
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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.