Finding the Fourth Proportional to 5,190,880.08, 7,786,338.36 and 1,596,622.80
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Solution
The fourth proportional to 5,190,880.08, 7,786,338.36 and 1,596,622.80 is: 2,394,939.81
Step by Step Solution
- Step 1: Write the proportion equation
5,190,880.08 : 7,786,338.36 = 1,596,622.80 : x - Step 2: Convert to fraction form
5,190,880.08/7,786,338.36 = 1,596,622.80/x - Step 3: Cross multiply
5,190,880.08x = 7,786,338.36 × 1,596,622.80 - Step 4: Simplify right side
5,190,880.08x = 12,431,845,354,090.61 - Step 5: Solve for x
x = 12,431,845,354,090.61/5,190,880.08 - Step 6: Final answer
x = 2,394,939.81
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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.