Finding the Fourth Proportional to 1,274,154.87, 1,908,990.28 and 1,198,299.99
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Solution
The fourth proportional to 1,274,154.87, 1,908,990.28 and 1,198,299.99 is: 1,795,341.44
Step by Step Solution
- Step 1: Write the proportion equation
1,274,154.87 : 1,908,990.28 = 1,198,299.99 : x - Step 2: Convert to fraction form
1,274,154.87/1,908,990.28 = 1,198,299.99/x - Step 3: Cross multiply
1,274,154.87x = 1,908,990.28 × 1,198,299.99 - Step 4: Simplify right side
1,274,154.87x = 2,287,543,033,434.10 - Step 5: Solve for x
x = 2,287,543,033,434.10/1,274,154.87 - Step 6: Final answer
x = 1,795,341.44
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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.