Finding the Fourth Proportional to 5,428,601.10, 8,149,122.45 and 3,186,002.70
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Solution
The fourth proportional to 5,428,601.10, 8,149,122.45 and 3,186,002.70 is: 4,782,654.99
Step by Step Solution
- Step 1: Write the proportion equation
5,428,601.10 : 8,149,122.45 = 3,186,002.70 : x - Step 2: Convert to fraction form
5,428,601.10/8,149,122.45 = 3,186,002.70/x - Step 3: Cross multiply
5,428,601.10x = 8,149,122.45 × 3,186,002.70 - Step 4: Simplify right side
5,428,601.10x = 25,963,126,128,330.62 - Step 5: Solve for x
x = 25,963,126,128,330.62/5,428,601.10 - Step 6: Final answer
x = 4,782,654.99
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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.