Finding the Fourth Proportional to 2,382,125.28, 3,287,353.71 and 1,294,396.85
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Solution
The fourth proportional to 2,382,125.28, 3,287,353.71 and 1,294,396.85 is: 1,786,278.96
Step by Step Solution
- Step 1: Write the proportion equation
2,382,125.28 : 3,287,353.71 = 1,294,396.85 : x - Step 2: Convert to fraction form
2,382,125.28/3,287,353.71 = 1,294,396.85/x - Step 3: Cross multiply
2,382,125.28x = 3,287,353.71 × 1,294,396.85 - Step 4: Simplify right side
2,382,125.28x = 4,255,140,270,623.05 - Step 5: Solve for x
x = 4,255,140,270,623.05/2,382,125.28 - Step 6: Final answer
x = 1,786,278.96
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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.