Finding the Fourth Proportional to 1,524,521.43, 2,103,786.68 and 845,521.11
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Solution
The fourth proportional to 1,524,521.43, 2,103,786.68 and 845,521.11 is: 1,166,789.79
Step by Step Solution
- Step 1: Write the proportion equation
1,524,521.43 : 2,103,786.68 = 845,521.11 : x - Step 2: Convert to fraction form
1,524,521.43/2,103,786.68 = 845,521.11/x - Step 3: Cross multiply
1,524,521.43x = 2,103,786.68 × 845,521.11 - Step 4: Simplify right side
1,524,521.43x = 1,778,796,044,649.21 - Step 5: Solve for x
x = 1,778,796,044,649.21/1,524,521.43 - Step 6: Final answer
x = 1,166,789.79
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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.