Finding the Fourth Proportional to 1,920,350.19, 2,649,891.20 and 1,060,855.14
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Solution
The fourth proportional to 1,920,350.19, 2,649,891.20 and 1,060,855.14 is: 1,463,873.99
Step by Step Solution
- Step 1: Write the proportion equation
1,920,350.19 : 2,649,891.20 = 1,060,855.14 : x - Step 2: Convert to fraction form
1,920,350.19/2,649,891.20 = 1,060,855.14/x - Step 3: Cross multiply
1,920,350.19x = 2,649,891.20 × 1,060,855.14 - Step 4: Simplify right side
1,920,350.19x = 2,811,150,694,656.49 - Step 5: Solve for x
x = 2,811,150,694,656.49/1,920,350.19 - Step 6: Final answer
x = 1,463,873.99
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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.