Finding the Fourth Proportional to 2,420,685.12, 3,631,566.88 and 737,919.68
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Solution
The fourth proportional to 2,420,685.12, 3,631,566.88 and 737,919.68 is: 1,107,043.89
Step by Step Solution
- Step 1: Write the proportion equation
2,420,685.12 : 3,631,566.88 = 737,919.68 : x - Step 2: Convert to fraction form
2,420,685.12/3,631,566.88 = 737,919.68/x - Step 3: Cross multiply
2,420,685.12x = 3,631,566.88 × 737,919.68 - Step 4: Simplify right side
2,420,685.12x = 2,679,804,669,988.20 - Step 5: Solve for x
x = 2,679,804,669,988.20/2,420,685.12 - Step 6: Final answer
x = 1,107,043.89
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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.