Finding the Fourth Proportional to 4,317,423.72, 6,474,953.28 and 1,621,540.44
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Solution
The fourth proportional to 4,317,423.72, 6,474,953.28 and 1,621,540.44 is: 2,431,866.61
Step by Step Solution
- Step 1: Write the proportion equation
4,317,423.72 : 6,474,953.28 = 1,621,540.44 : x - Step 2: Convert to fraction form
4,317,423.72/6,474,953.28 = 1,621,540.44/x - Step 3: Cross multiply
4,317,423.72x = 6,474,953.28 × 1,621,540.44 - Step 4: Simplify right side
4,317,423.72x = 10,499,398,590,630.64 - Step 5: Solve for x
x = 10,499,398,590,630.64/4,317,423.72 - Step 6: Final answer
x = 2,431,866.61
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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.