Finding the Fourth Proportional to 3,672,352.80, 5,497,642.80 and 2,729,901.60
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Solution
The fourth proportional to 3,672,352.80, 5,497,642.80 and 2,729,901.60 is: 4,086,759.82
Step by Step Solution
- Step 1: Write the proportion equation
3,672,352.80 : 5,497,642.80 = 2,729,901.60 : x - Step 2: Convert to fraction form
3,672,352.80/5,497,642.80 = 2,729,901.60/x - Step 3: Cross multiply
3,672,352.80x = 5,497,642.80 × 2,729,901.60 - Step 4: Simplify right side
3,672,352.80x = 15,008,023,875,948.48 - Step 5: Solve for x
x = 15,008,023,875,948.48/3,672,352.80 - Step 6: Final answer
x = 4,086,759.82
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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.