Finding the Fourth Proportional to 3,709,125.20, 5,559,540.60 and 1,578,846.80
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Solution
The fourth proportional to 3,709,125.20, 5,559,540.60 and 1,578,846.80 is: 2,366,504.88
Step by Step Solution
- Step 1: Write the proportion equation
3,709,125.20 : 5,559,540.60 = 1,578,846.80 : x - Step 2: Convert to fraction form
3,709,125.20/5,559,540.60 = 1,578,846.80/x - Step 3: Cross multiply
3,709,125.20x = 5,559,540.60 × 1,578,846.80 - Step 4: Simplify right side
3,709,125.20x = 8,777,662,885,780.08 - Step 5: Solve for x
x = 8,777,662,885,780.08/3,709,125.20 - Step 6: Final answer
x = 2,366,504.88
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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.