Finding the Fourth Proportional to 2,987,606.21, 4,472,689.74 and 2,222,497.62
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Solution
The fourth proportional to 2,987,606.21, 4,472,689.74 and 2,222,497.62 is: 3,327,259.89
Step by Step Solution
- Step 1: Write the proportion equation
2,987,606.21 : 4,472,689.74 = 2,222,497.62 : x - Step 2: Convert to fraction form
2,987,606.21/4,472,689.74 = 2,222,497.62/x - Step 3: Cross multiply
2,987,606.21x = 4,472,689.74 × 2,222,497.62 - Step 4: Simplify right side
2,987,606.21x = 9,940,542,302,148.42 - Step 5: Solve for x
x = 9,940,542,302,148.42/2,987,606.21 - Step 6: Final answer
x = 3,327,259.89
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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.