Finding the Fourth Proportional to 4,725,827.40, 7,093,989.90 and 2,930,737.80
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Solution
The fourth proportional to 4,725,827.40, 7,093,989.90 and 2,930,737.80 is: 4,399,361.76
Step by Step Solution
- Step 1: Write the proportion equation
4,725,827.40 : 7,093,989.90 = 2,930,737.80 : x - Step 2: Convert to fraction form
4,725,827.40/7,093,989.90 = 2,930,737.80/x - Step 3: Cross multiply
4,725,827.40x = 7,093,989.90 × 2,930,737.80 - Step 4: Simplify right side
4,725,827.40x = 20,790,624,352,748.22 - Step 5: Solve for x
x = 20,790,624,352,748.22/4,725,827.40 - Step 6: Final answer
x = 4,399,361.76
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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.