Finding the Fourth Proportional to 5,168,192.16, 7,764,902.64 and 4,881,724.32
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Solution
The fourth proportional to 5,168,192.16, 7,764,902.64 and 4,881,724.32 is: 7,334,501.68
Step by Step Solution
- Step 1: Write the proportion equation
5,168,192.16 : 7,764,902.64 = 4,881,724.32 : x - Step 2: Convert to fraction form
5,168,192.16/7,764,902.64 = 4,881,724.32/x - Step 3: Cross multiply
5,168,192.16x = 7,764,902.64 × 4,881,724.32 - Step 4: Simplify right side
5,168,192.16x = 37,906,114,060,120.20 - Step 5: Solve for x
x = 37,906,114,060,120.20/5,168,192.16 - Step 6: Final answer
x = 7,334,501.68
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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.