Finding the Fourth Proportional to 3,040,479.99, 4,195,862.73 and 1,663,823.97
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Solution
The fourth proportional to 3,040,479.99, 4,195,862.73 and 1,663,823.97 is: 2,296,077.27
Step by Step Solution
- Step 1: Write the proportion equation
3,040,479.99 : 4,195,862.73 = 1,663,823.97 : x - Step 2: Convert to fraction form
3,040,479.99/4,195,862.73 = 1,663,823.97/x - Step 3: Cross multiply
3,040,479.99x = 4,195,862.73 × 1,663,823.97 - Step 4: Simplify right side
3,040,479.99x = 6,981,176,985,003.64 - Step 5: Solve for x
x = 6,981,176,985,003.64/3,040,479.99 - Step 6: Final answer
x = 2,296,077.27
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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.