Finding the Fourth Proportional to 5,541,068.70, 8,312,434.11 and 1,946,202.03
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Solution
The fourth proportional to 5,541,068.70, 8,312,434.11 and 1,946,202.03 is: 2,919,594.94
Step by Step Solution
- Step 1: Write the proportion equation
5,541,068.70 : 8,312,434.11 = 1,946,202.03 : x - Step 2: Convert to fraction form
5,541,068.70/8,312,434.11 = 1,946,202.03/x - Step 3: Cross multiply
5,541,068.70x = 8,312,434.11 × 1,946,202.03 - Step 4: Simplify right side
5,541,068.70x = 16,177,676,139,123.24 - Step 5: Solve for x
x = 16,177,676,139,123.24/5,541,068.70 - Step 6: Final answer
x = 2,919,594.94
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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.