Finding the Fourth Proportional to 2,135,113.20, 3,203,836.20 and 873,068.40
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Solution
The fourth proportional to 2,135,113.20, 3,203,836.20 and 873,068.40 is: 1,310,079.55
Step by Step Solution
- Step 1: Write the proportion equation
2,135,113.20 : 3,203,836.20 = 873,068.40 : x - Step 2: Convert to fraction form
2,135,113.20/3,203,836.20 = 873,068.40/x - Step 3: Cross multiply
2,135,113.20x = 3,203,836.20 × 873,068.40 - Step 4: Simplify right side
2,135,113.20x = 2,797,168,144,996.08 - Step 5: Solve for x
x = 2,797,168,144,996.08/2,135,113.20 - Step 6: Final answer
x = 1,310,079.55
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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.