Finding the Fourth Proportional to 2,891,387.40, 4,332,933.90 and 2,127,265.80
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Solution
The fourth proportional to 2,891,387.40, 4,332,933.90 and 2,127,265.80 is: 3,187,847.50
Step by Step Solution
- Step 1: Write the proportion equation
2,891,387.40 : 4,332,933.90 = 2,127,265.80 : x - Step 2: Convert to fraction form
2,891,387.40/4,332,933.90 = 2,127,265.80/x - Step 3: Cross multiply
2,891,387.40x = 4,332,933.90 × 2,127,265.80 - Step 4: Simplify right side
2,891,387.40x = 9,217,302,099,130.62 - Step 5: Solve for x
x = 9,217,302,099,130.62/2,891,387.40 - Step 6: Final answer
x = 3,187,847.50
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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.