Finding the Fourth Proportional to 4,686,306.66, 7,026,932.22 and 2,126,124.54
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Solution
The fourth proportional to 4,686,306.66, 7,026,932.22 and 2,126,124.54 is: 3,188,039.99
Step by Step Solution
- Step 1: Write the proportion equation
4,686,306.66 : 7,026,932.22 = 2,126,124.54 : x - Step 2: Convert to fraction form
4,686,306.66/7,026,932.22 = 2,126,124.54/x - Step 3: Cross multiply
4,686,306.66x = 7,026,932.22 × 2,126,124.54 - Step 4: Simplify right side
4,686,306.66x = 14,940,133,033,858.68 - Step 5: Solve for x
x = 14,940,133,033,858.68/4,686,306.66 - Step 6: Final answer
x = 3,188,039.99
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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.