Finding the Fourth Proportional to 3,693,021.12, 5,096,349.70 and 2,144,663.53
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Solution
The fourth proportional to 3,693,021.12, 5,096,349.70 and 2,144,663.53 is: 2,959,624.37
Step by Step Solution
- Step 1: Write the proportion equation
3,693,021.12 : 5,096,349.70 = 2,144,663.53 : x - Step 2: Convert to fraction form
3,693,021.12/5,096,349.70 = 2,144,663.53/x - Step 3: Cross multiply
3,693,021.12x = 5,096,349.70 × 2,144,663.53 - Step 4: Simplify right side
3,693,021.12x = 10,929,955,319,613.91 - Step 5: Solve for x
x = 10,929,955,319,613.91/3,693,021.12 - Step 6: Final answer
x = 2,959,624.37
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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.