Finding the Fourth Proportional to 4,868,748.70, 7,303,123.05 and 2,028,491.80
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Solution
The fourth proportional to 4,868,748.70, 7,303,123.05 and 2,028,491.80 is: 3,042,737.70
Step by Step Solution
- Step 1: Write the proportion equation
4,868,748.70 : 7,303,123.05 = 2,028,491.80 : x - Step 2: Convert to fraction form
4,868,748.70/7,303,123.05 = 2,028,491.80/x - Step 3: Cross multiply
4,868,748.70x = 7,303,123.05 × 2,028,491.80 - Step 4: Simplify right side
4,868,748.70x = 14,814,325,221,315.99 - Step 5: Solve for x
x = 14,814,325,221,315.99/4,868,748.70 - Step 6: Final answer
x = 3,042,737.70
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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.