Finding the Fourth Proportional to 6,642,456.80, 9,965,434.80 and 2,382,180.80
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Solution
The fourth proportional to 6,642,456.80, 9,965,434.80 and 2,382,180.80 is: 3,573,898.66
Step by Step Solution
- Step 1: Write the proportion equation
6,642,456.80 : 9,965,434.80 = 2,382,180.80 : x - Step 2: Convert to fraction form
6,642,456.80/9,965,434.80 = 2,382,180.80/x - Step 3: Cross multiply
6,642,456.80x = 9,965,434.80 × 2,382,180.80 - Step 4: Simplify right side
6,642,456.80x = 23,739,467,444,211.84 - Step 5: Solve for x
x = 23,739,467,444,211.84/6,642,456.80 - Step 6: Final answer
x = 3,573,898.66
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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.