Finding the Fourth Proportional to 5,612,388.24, 8,415,965.20 and 2,915,988.56
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Solution
The fourth proportional to 5,612,388.24, 8,415,965.20 and 2,915,988.56 is: 4,372,623.06
Step by Step Solution
- Step 1: Write the proportion equation
5,612,388.24 : 8,415,965.20 = 2,915,988.56 : x - Step 2: Convert to fraction form
5,612,388.24/8,415,965.20 = 2,915,988.56/x - Step 3: Cross multiply
5,612,388.24x = 8,415,965.20 × 2,915,988.56 - Step 4: Simplify right side
5,612,388.24x = 24,540,858,244,558.11 - Step 5: Solve for x
x = 24,540,858,244,558.11/5,612,388.24 - Step 6: Final answer
x = 4,372,623.06
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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.