Finding the Fourth Proportional to 3,684,529.20, 5,526,793.80 and 1,288,123.95
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Solution
The fourth proportional to 3,684,529.20, 5,526,793.80 and 1,288,123.95 is: 1,932,185.93
Step by Step Solution
- Step 1: Write the proportion equation
3,684,529.20 : 5,526,793.80 = 1,288,123.95 : x - Step 2: Convert to fraction form
3,684,529.20/5,526,793.80 = 1,288,123.95/x - Step 3: Cross multiply
3,684,529.20x = 5,526,793.80 × 1,288,123.95 - Step 4: Simplify right side
3,684,529.20x = 7,119,195,460,491.51 - Step 5: Solve for x
x = 7,119,195,460,491.51/3,684,529.20 - Step 6: Final answer
x = 1,932,185.93
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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.