Finding the Fourth Proportional to 3,877,537.32, 5,347,517.76 and 2,427,364.80
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Solution
The fourth proportional to 3,877,537.32, 5,347,517.76 and 2,427,364.80 is: 3,347,582.58
Step by Step Solution
- Step 1: Write the proportion equation
3,877,537.32 : 5,347,517.76 = 2,427,364.80 : x - Step 2: Convert to fraction form
3,877,537.32/5,347,517.76 = 2,427,364.80/x - Step 3: Cross multiply
3,877,537.32x = 5,347,517.76 × 2,427,364.80 - Step 4: Simplify right side
3,877,537.32x = 12,980,376,377,998.85 - Step 5: Solve for x
x = 12,980,376,377,998.85/3,877,537.32 - Step 6: Final answer
x = 3,347,582.58
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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.