Finding the Fourth Proportional to 3,382,857.60, 4,663,827.36 and 2,687,445.80
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Solution
The fourth proportional to 3,382,857.60, 4,663,827.36 and 2,687,445.80 is: 3,705,087.45
Step by Step Solution
- Step 1: Write the proportion equation
3,382,857.60 : 4,663,827.36 = 2,687,445.80 : x - Step 2: Convert to fraction form
3,382,857.60/4,663,827.36 = 2,687,445.80/x - Step 3: Cross multiply
3,382,857.60x = 4,663,827.36 × 2,687,445.80 - Step 4: Simplify right side
3,382,857.60x = 12,533,783,250,557.09 - Step 5: Solve for x
x = 12,533,783,250,557.09/3,382,857.60 - Step 6: Final answer
x = 3,705,087.45
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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.