Finding the Fourth Proportional to 6,784,831.80, 10,177,247.70 and 2,996,364.60
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Solution
The fourth proportional to 6,784,831.80, 10,177,247.70 and 2,996,364.60 is: 4,494,546.90
Step by Step Solution
- Step 1: Write the proportion equation
6,784,831.80 : 10,177,247.70 = 2,996,364.60 : x - Step 2: Convert to fraction form
6,784,831.80/10,177,247.70 = 2,996,364.60/x - Step 3: Cross multiply
6,784,831.80x = 10,177,247.70 × 2,996,364.60 - Step 4: Simplify right side
6,784,831.80x = 30,494,744,733,711.42 - Step 5: Solve for x
x = 30,494,744,733,711.42/6,784,831.80 - Step 6: Final answer
x = 4,494,546.90
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Double scale
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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.