Finding the Fourth Proportional to 5,147,717.02, 7,103,846.75 and 2,824,624.80
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Solution
The fourth proportional to 5,147,717.02, 7,103,846.75 and 2,824,624.80 is: 3,897,980.72
Step by Step Solution
- Step 1: Write the proportion equation
5,147,717.02 : 7,103,846.75 = 2,824,624.80 : x - Step 2: Convert to fraction form
5,147,717.02/7,103,846.75 = 2,824,624.80/x - Step 3: Cross multiply
5,147,717.02x = 7,103,846.75 × 2,824,624.80 - Step 4: Simplify right side
5,147,717.02x = 20,065,701,693,252.66 - Step 5: Solve for x
x = 20,065,701,693,252.66/5,147,717.02 - Step 6: Final answer
x = 3,897,980.72
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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.