Finding the Fourth Proportional to 5,615,872.11, 8,424,857.57 and 2,250,341.55
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Solution
The fourth proportional to 5,615,872.11, 8,424,857.57 and 2,250,341.55 is: 3,375,932.83
Step by Step Solution
- Step 1: Write the proportion equation
5,615,872.11 : 8,424,857.57 = 2,250,341.55 : x - Step 2: Convert to fraction form
5,615,872.11/8,424,857.57 = 2,250,341.55/x - Step 3: Cross multiply
5,615,872.11x = 8,424,857.57 × 2,250,341.55 - Step 4: Simplify right side
5,615,872.11x = 18,958,807,031,351.32 - Step 5: Solve for x
x = 18,958,807,031,351.32/5,615,872.11 - Step 6: Final answer
x = 3,375,932.83
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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.