Finding the Fourth Proportional to 4,918,297.67, 6,784,934.34 and 3,198,790.79
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Solution
The fourth proportional to 4,918,297.67, 6,784,934.34 and 3,198,790.79 is: 4,412,824.71
Step by Step Solution
- Step 1: Write the proportion equation
4,918,297.67 : 6,784,934.34 = 3,198,790.79 : x - Step 2: Convert to fraction form
4,918,297.67/6,784,934.34 = 3,198,790.79/x - Step 3: Cross multiply
4,918,297.67x = 6,784,934.34 × 3,198,790.79 - Step 4: Simplify right side
4,918,297.67x = 21,703,585,443,622.06 - Step 5: Solve for x
x = 21,703,585,443,622.06/4,918,297.67 - Step 6: Final answer
x = 4,412,824.71
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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.