Finding the Fourth Proportional to 3,614,523.21, 4,987,724.36 and 2,065,477.49
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Solution
The fourth proportional to 3,614,523.21, 4,987,724.36 and 2,065,477.49 is: 2,850,177.41
Step by Step Solution
- Step 1: Write the proportion equation
3,614,523.21 : 4,987,724.36 = 2,065,477.49 : x - Step 2: Convert to fraction form
3,614,523.21/4,987,724.36 = 2,065,477.49/x - Step 3: Cross multiply
3,614,523.21x = 4,987,724.36 × 2,065,477.49 - Step 4: Simplify right side
3,614,523.21x = 10,302,032,394,046.58 - Step 5: Solve for x
x = 10,302,032,394,046.58/3,614,523.21 - Step 6: Final answer
x = 2,850,177.41
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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.