Finding the Fourth Proportional to 4,821,271.85, 7,189,311.28 and 4,777,998.41
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Solution
The fourth proportional to 4,821,271.85, 7,189,311.28 and 4,777,998.41 is: 7,124,783.45
Step by Step Solution
- Step 1: Write the proportion equation
4,821,271.85 : 7,189,311.28 = 4,777,998.41 : x - Step 2: Convert to fraction form
4,821,271.85/7,189,311.28 = 4,777,998.41/x - Step 3: Cross multiply
4,821,271.85x = 7,189,311.28 × 4,777,998.41 - Step 4: Simplify right side
4,821,271.85x = 34,350,517,864,835.07 - Step 5: Solve for x
x = 34,350,517,864,835.07/4,821,271.85 - Step 6: Final answer
x = 7,124,783.45
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.