Finding the Fourth Proportional to 2,578,232.20, 3,868,730.70 and 1,082,475.40
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Solution
The fourth proportional to 2,578,232.20, 3,868,730.70 and 1,082,475.40 is: 1,624,293.50
Step by Step Solution
- Step 1: Write the proportion equation
2,578,232.20 : 3,868,730.70 = 1,082,475.40 : x - Step 2: Convert to fraction form
2,578,232.20/3,868,730.70 = 1,082,475.40/x - Step 3: Cross multiply
2,578,232.20x = 3,868,730.70 × 1,082,475.40 - Step 4: Simplify right side
2,578,232.20x = 4,187,805,811,974.78 - Step 5: Solve for x
x = 4,187,805,811,974.78/2,578,232.20 - Step 6: Final answer
x = 1,624,293.50
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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.