Finding the Fourth Proportional to 2,271,891.27, 3,135,159.50 and 1,253,295.75
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Solution
The fourth proportional to 2,271,891.27, 3,135,159.50 and 1,253,295.75 is: 1,729,520.30
Step by Step Solution
- Step 1: Write the proportion equation
2,271,891.27 : 3,135,159.50 = 1,253,295.75 : x - Step 2: Convert to fraction form
2,271,891.27/3,135,159.50 = 1,253,295.75/x - Step 3: Cross multiply
2,271,891.27x = 3,135,159.50 × 1,253,295.75 - Step 4: Simplify right side
2,271,891.27x = 3,929,282,070,655.65 - Step 5: Solve for x
x = 3,929,282,070,655.65/2,271,891.27 - Step 6: Final answer
x = 1,729,520.30
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.