Finding the Fourth Proportional to 5,068,128.92, 7,602,129.12 and 1,229,982.92
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Solution
The fourth proportional to 5,068,128.92, 7,602,129.12 and 1,229,982.92 is: 1,844,958.78
Step by Step Solution
- Step 1: Write the proportion equation
5,068,128.92 : 7,602,129.12 = 1,229,982.92 : x - Step 2: Convert to fraction form
5,068,128.92/7,602,129.12 = 1,229,982.92/x - Step 3: Cross multiply
5,068,128.92x = 7,602,129.12 × 1,229,982.92 - Step 4: Simplify right side
5,068,128.92x = 9,350,488,973,234.63 - Step 5: Solve for x
x = 9,350,488,973,234.63/5,068,128.92 - Step 6: Final answer
x = 1,844,958.78
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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.