Finding the Fourth Proportional to 3,732,916.97, 5,148,674.86 and 2,815,184.74
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Solution
The fourth proportional to 3,732,916.97, 5,148,674.86 and 2,815,184.74 is: 3,882,880.60
Step by Step Solution
- Step 1: Write the proportion equation
3,732,916.97 : 5,148,674.86 = 2,815,184.74 : x - Step 2: Convert to fraction form
3,732,916.97/5,148,674.86 = 2,815,184.74/x - Step 3: Cross multiply
3,732,916.97x = 5,148,674.86 × 2,815,184.74 - Step 4: Simplify right side
3,732,916.97x = 14,494,470,857,274.34 - Step 5: Solve for x
x = 14,494,470,857,274.34/3,732,916.97 - Step 6: Final answer
x = 3,882,880.60
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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.