Finding the Fourth Proportional to 2,382,240.57, 3,287,489.49 and 1,294,509.56
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Solution
The fourth proportional to 2,382,240.57, 3,287,489.49 and 1,294,509.56 is: 1,786,421.83
Step by Step Solution
- Step 1: Write the proportion equation
2,382,240.57 : 3,287,489.49 = 1,294,509.56 : x - Step 2: Convert to fraction form
2,382,240.57/3,287,489.49 = 1,294,509.56/x - Step 3: Cross multiply
2,382,240.57x = 3,287,489.49 × 1,294,509.56 - Step 4: Simplify right side
2,382,240.57x = 4,255,686,556,767.08 - Step 5: Solve for x
x = 4,255,686,556,767.08/2,382,240.57 - Step 6: Final answer
x = 1,786,421.83
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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.