Finding the Fourth Proportional to 5,388,325.20, 8,083,654.20 and 1,602,190.80
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Solution
The fourth proportional to 5,388,325.20, 8,083,654.20 and 1,602,190.80 is: 2,403,633.02
Step by Step Solution
- Step 1: Write the proportion equation
5,388,325.20 : 8,083,654.20 = 1,602,190.80 : x - Step 2: Convert to fraction form
5,388,325.20/8,083,654.20 = 1,602,190.80/x - Step 3: Cross multiply
5,388,325.20x = 8,083,654.20 × 1,602,190.80 - Step 4: Simplify right side
5,388,325.20x = 12,951,556,389,621.36 - Step 5: Solve for x
x = 12,951,556,389,621.36/5,388,325.20 - Step 6: Final answer
x = 2,403,633.02
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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.