Finding the Fourth Proportional to 5,764,695.05, 7,955,439.84 and 3,186,541.59
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Solution
The fourth proportional to 5,764,695.05, 7,955,439.84 and 3,186,541.59 is: 4,397,516.21
Step by Step Solution
- Step 1: Write the proportion equation
5,764,695.05 : 7,955,439.84 = 3,186,541.59 : x - Step 2: Convert to fraction form
5,764,695.05/7,955,439.84 = 3,186,541.59/x - Step 3: Cross multiply
5,764,695.05x = 7,955,439.84 × 3,186,541.59 - Step 4: Simplify right side
5,764,695.05x = 25,350,339,916,902.95 - Step 5: Solve for x
x = 25,350,339,916,902.95/5,764,695.05 - Step 6: Final answer
x = 4,397,516.21
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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.