Finding the Fourth Proportional to 3,991,001.51, 5,987,989.49 and 2,394,710.21
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Solution
The fourth proportional to 3,991,001.51, 5,987,989.49 and 2,394,710.21 is: 3,592,957.68
Step by Step Solution
- Step 1: Write the proportion equation
3,991,001.51 : 5,987,989.49 = 2,394,710.21 : x - Step 2: Convert to fraction form
3,991,001.51/5,987,989.49 = 2,394,710.21/x - Step 3: Cross multiply
3,991,001.51x = 5,987,989.49 × 2,394,710.21 - Step 4: Simplify right side
3,991,001.51x = 14,339,499,527,162.20 - Step 5: Solve for x
x = 14,339,499,527,162.20/3,991,001.51 - Step 6: Final answer
x = 3,592,957.68
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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.