Finding the Fourth Proportional to 3,585,029.70, 5,377,544.55 and 3,286,431.30
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Solution
The fourth proportional to 3,585,029.70, 5,377,544.55 and 3,286,431.30 is: 4,929,646.95
Step by Step Solution
- Step 1: Write the proportion equation
3,585,029.70 : 5,377,544.55 = 3,286,431.30 : x - Step 2: Convert to fraction form
3,585,029.70/5,377,544.55 = 3,286,431.30/x - Step 3: Cross multiply
3,585,029.70x = 5,377,544.55 × 3,286,431.30 - Step 4: Simplify right side
3,585,029.70x = 17,672,930,726,264.41 - Step 5: Solve for x
x = 17,672,930,726,264.41/3,585,029.70 - Step 6: Final answer
x = 4,929,646.95
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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.