Finding the Fourth Proportional to 3,717,123.48, 5,575,685.49 and 1,321,062.66
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Solution
The fourth proportional to 3,717,123.48, 5,575,685.49 and 1,321,062.66 is: 1,981,594.09
Step by Step Solution
- Step 1: Write the proportion equation
3,717,123.48 : 5,575,685.49 = 1,321,062.66 : x - Step 2: Convert to fraction form
3,717,123.48/5,575,685.49 = 1,321,062.66/x - Step 3: Cross multiply
3,717,123.48x = 5,575,685.49 × 1,321,062.66 - Step 4: Simplify right side
3,717,123.48x = 7,365,829,904,742.80 - Step 5: Solve for x
x = 7,365,829,904,742.80/3,717,123.48 - Step 6: Final answer
x = 1,981,594.09
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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.