Finding the Fourth Proportional to 2,207,396.34, 3,045,674.79 and 1,289,104.20
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Solution
The fourth proportional to 2,207,396.34, 3,045,674.79 and 1,289,104.20 is: 1,778,653.02
Step by Step Solution
- Step 1: Write the proportion equation
2,207,396.34 : 3,045,674.79 = 1,289,104.20 : x - Step 2: Convert to fraction form
2,207,396.34/3,045,674.79 = 1,289,104.20/x - Step 3: Cross multiply
2,207,396.34x = 3,045,674.79 × 1,289,104.20 - Step 4: Simplify right side
2,207,396.34x = 3,926,192,163,623.12 - Step 5: Solve for x
x = 3,926,192,163,623.12/2,207,396.34 - Step 6: Final answer
x = 1,778,653.02
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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.