Finding the Fourth Proportional to 5,777,523.70, 7,972,885.26 and 3,199,149.10
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Solution
The fourth proportional to 5,777,523.70, 7,972,885.26 and 3,199,149.10 is: 4,414,771.80
Step by Step Solution
- Step 1: Write the proportion equation
5,777,523.70 : 7,972,885.26 = 3,199,149.10 : x - Step 2: Convert to fraction form
5,777,523.70/7,972,885.26 = 3,199,149.10/x - Step 3: Cross multiply
5,777,523.70x = 7,972,885.26 × 3,199,149.10 - Step 4: Simplify right side
5,777,523.70x = 25,506,448,703,932.27 - Step 5: Solve for x
x = 25,506,448,703,932.27/5,777,523.70 - Step 6: Final answer
x = 4,414,771.80
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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.