Finding the Fourth Proportional to 4,178,728.08, 6,273,902.88 and 2,158,464.96
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Solution
The fourth proportional to 4,178,728.08, 6,273,902.88 and 2,158,464.96 is: 3,240,698.91
Step by Step Solution
- Step 1: Write the proportion equation
4,178,728.08 : 6,273,902.88 = 2,158,464.96 : x - Step 2: Convert to fraction form
4,178,728.08/6,273,902.88 = 2,158,464.96/x - Step 3: Cross multiply
4,178,728.08x = 6,273,902.88 × 2,158,464.96 - Step 4: Simplify right side
4,178,728.08x = 13,541,999,528,923.08 - Step 5: Solve for x
x = 13,541,999,528,923.08/4,178,728.08 - Step 6: Final answer
x = 3,240,698.91
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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.