Finding the Fourth Proportional to 2,643,059.70, 3,964,589.55 and 2,328,131.70
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Solution
The fourth proportional to 2,643,059.70, 3,964,589.55 and 2,328,131.70 is: 3,492,197.55
Step by Step Solution
- Step 1: Write the proportion equation
2,643,059.70 : 3,964,589.55 = 2,328,131.70 : x - Step 2: Convert to fraction form
2,643,059.70/3,964,589.55 = 2,328,131.70/x - Step 3: Cross multiply
2,643,059.70x = 3,964,589.55 × 2,328,131.70 - Step 4: Simplify right side
2,643,059.70x = 9,230,086,608,843.74 - Step 5: Solve for x
x = 9,230,086,608,843.74/2,643,059.70 - Step 6: Final answer
x = 3,492,197.55
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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.