Finding the Fourth Proportional to 3,960,514.94, 5,939,821.20 and 1,828,550.66
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Solution
The fourth proportional to 3,960,514.94, 5,939,821.20 and 1,828,550.66 is: 2,742,386.82
Step by Step Solution
- Step 1: Write the proportion equation
3,960,514.94 : 5,939,821.20 = 1,828,550.66 : x - Step 2: Convert to fraction form
3,960,514.94/5,939,821.20 = 1,828,550.66/x - Step 3: Cross multiply
3,960,514.94x = 5,939,821.20 × 1,828,550.66 - Step 4: Simplify right side
3,960,514.94x = 10,861,263,975,541.99 - Step 5: Solve for x
x = 10,861,263,975,541.99/3,960,514.94 - Step 6: Final answer
x = 2,742,386.82
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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.