Finding the Fourth Proportional to 4,166,288.20, 6,251,505.90 and 1,642,025.80
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Solution
The fourth proportional to 4,166,288.20, 6,251,505.90 and 1,642,025.80 is: 2,463,855.95
Step by Step Solution
- Step 1: Write the proportion equation
4,166,288.20 : 6,251,505.90 = 1,642,025.80 : x - Step 2: Convert to fraction form
4,166,288.20/6,251,505.90 = 1,642,025.80/x - Step 3: Cross multiply
4,166,288.20x = 6,251,505.90 × 1,642,025.80 - Step 4: Simplify right side
4,166,288.20x = 10,265,133,976,652.22 - Step 5: Solve for x
x = 10,265,133,976,652.22/4,166,288.20 - Step 6: Final answer
x = 2,463,855.95
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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.