Finding the Fourth Proportional to 3,566,394.12, 5,351,690.70 and 1,324,106.76
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Solution
The fourth proportional to 3,566,394.12, 5,351,690.70 and 1,324,106.76 is: 1,986,939.64
Step by Step Solution
- Step 1: Write the proportion equation
3,566,394.12 : 5,351,690.70 = 1,324,106.76 : x - Step 2: Convert to fraction form
3,566,394.12/5,351,690.70 = 1,324,106.76/x - Step 3: Cross multiply
3,566,394.12x = 5,351,690.70 × 1,324,106.76 - Step 4: Simplify right side
3,566,394.12x = 7,086,209,833,299.13 - Step 5: Solve for x
x = 7,086,209,833,299.13/3,566,394.12 - Step 6: Final answer
x = 1,986,939.64
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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.