Finding the Fourth Proportional to 7,764,664.16, 10,715,715.94 and 4,279,995.07
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Solution
The fourth proportional to 7,764,664.16, 10,715,715.94 and 4,279,995.07 is: 5,906,657.45
Step by Step Solution
- Step 1: Write the proportion equation
7,764,664.16 : 10,715,715.94 = 4,279,995.07 : x - Step 2: Convert to fraction form
7,764,664.16/10,715,715.94 = 4,279,995.07/x - Step 3: Cross multiply
7,764,664.16x = 10,715,715.94 × 4,279,995.07 - Step 4: Simplify right side
7,764,664.16x = 45,863,211,400,109.73 - Step 5: Solve for x
x = 45,863,211,400,109.73/7,764,664.16 - Step 6: Final answer
x = 5,906,657.45
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1.5x scale
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.