Finding the Fourth Proportional to 2,662,121.70, 3,993,182.55 and 2,504,657.70
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Solution
The fourth proportional to 2,662,121.70, 3,993,182.55 and 2,504,657.70 is: 3,756,986.55
Step by Step Solution
- Step 1: Write the proportion equation
2,662,121.70 : 3,993,182.55 = 2,504,657.70 : x - Step 2: Convert to fraction form
2,662,121.70/3,993,182.55 = 2,504,657.70/x - Step 3: Cross multiply
2,662,121.70x = 3,993,182.55 × 2,504,657.70 - Step 4: Simplify right side
2,662,121.70x = 10,001,555,421,363.13 - Step 5: Solve for x
x = 10,001,555,421,363.13/2,662,121.70 - Step 6: Final answer
x = 3,756,986.55
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1.5x scale
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.