Finding the Fourth Proportional to 1,754,286.94, 2,420,915.61 and 990,340.48
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Solution
The fourth proportional to 1,754,286.94, 2,420,915.61 and 990,340.48 is: 1,366,669.66
Step by Step Solution
- Step 1: Write the proportion equation
1,754,286.94 : 2,420,915.61 = 990,340.48 : x - Step 2: Convert to fraction form
1,754,286.94/2,420,915.61 = 990,340.48/x - Step 3: Cross multiply
1,754,286.94x = 2,420,915.61 × 990,340.48 - Step 4: Simplify right side
1,754,286.94x = 2,397,530,727,246.89 - Step 5: Solve for x
x = 2,397,530,727,246.89/1,754,286.94 - Step 6: Final answer
x = 1,366,669.66
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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.