Finding the Fourth Proportional to 5,277,185.28, 7,282,529.67 and 2,862,737.28
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Solution
The fourth proportional to 5,277,185.28, 7,282,529.67 and 2,862,737.28 is: 3,950,585.03
Step by Step Solution
- Step 1: Write the proportion equation
5,277,185.28 : 7,282,529.67 = 2,862,737.28 : x - Step 2: Convert to fraction form
5,277,185.28/7,282,529.67 = 2,862,737.28/x - Step 3: Cross multiply
5,277,185.28x = 7,282,529.67 × 2,862,737.28 - Step 4: Simplify right side
5,277,185.28x = 20,847,969,179,015.10 - Step 5: Solve for x
x = 20,847,969,179,015.10/5,277,185.28 - Step 6: Final answer
x = 3,950,585.03
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.