Finding the Fourth Proportional to 6,474,245.12, 8,934,458.76 and 3,573,636.74
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Solution
The fourth proportional to 6,474,245.12, 8,934,458.76 and 3,573,636.74 is: 4,931,618.97
Step by Step Solution
- Step 1: Write the proportion equation
6,474,245.12 : 8,934,458.76 = 3,573,636.74 : x - Step 2: Convert to fraction form
6,474,245.12/8,934,458.76 = 3,573,636.74/x - Step 3: Cross multiply
6,474,245.12x = 8,934,458.76 × 3,573,636.74 - Step 4: Simplify right side
6,474,245.12x = 31,928,510,076,750.84 - Step 5: Solve for x
x = 31,928,510,076,750.84/6,474,245.12 - Step 6: Final answer
x = 4,931,618.97
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.