Finding the Fourth Proportional to 3,437,520.84, 5,176,845.96 and 3,131,070.24
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Solution
The fourth proportional to 3,437,520.84, 5,176,845.96 and 3,131,070.24 is: 4,715,336.74
Step by Step Solution
- Step 1: Write the proportion equation
3,437,520.84 : 5,176,845.96 = 3,131,070.24 : x - Step 2: Convert to fraction form
3,437,520.84/5,176,845.96 = 3,131,070.24/x - Step 3: Cross multiply
3,437,520.84x = 5,176,845.96 × 3,131,070.24 - Step 4: Simplify right side
3,437,520.84x = 16,209,068,322,420.23 - Step 5: Solve for x
x = 16,209,068,322,420.23/3,437,520.84 - Step 6: Final answer
x = 4,715,336.74
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.