Finding the Fourth Proportional to 2,740,381.20, 4,102,382.03 and 1,657,616.99
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Solution
The fourth proportional to 2,740,381.20, 4,102,382.03 and 1,657,616.99 is: 2,481,471.60
Step by Step Solution
- Step 1: Write the proportion equation
2,740,381.20 : 4,102,382.03 = 1,657,616.99 : x - Step 2: Convert to fraction form
2,740,381.20/4,102,382.03 = 1,657,616.99/x - Step 3: Cross multiply
2,740,381.20x = 4,102,382.03 × 1,657,616.99 - Step 4: Simplify right side
2,740,381.20x = 6,800,178,123,598.70 - Step 5: Solve for x
x = 6,800,178,123,598.70/2,740,381.20 - Step 6: Final answer
x = 2,481,471.60
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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.