Finding the Fourth Proportional to 4,264,341.20, 6,388,217.40 and 2,576,430.80
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Solution
The fourth proportional to 4,264,341.20, 6,388,217.40 and 2,576,430.80 is: 3,859,634.89
Step by Step Solution
- Step 1: Write the proportion equation
4,264,341.20 : 6,388,217.40 = 2,576,430.80 : x - Step 2: Convert to fraction form
4,264,341.20/6,388,217.40 = 2,576,430.80/x - Step 3: Cross multiply
4,264,341.20x = 6,388,217.40 × 2,576,430.80 - Step 4: Simplify right side
4,264,341.20x = 16,458,800,066,455.92 - Step 5: Solve for x
x = 16,458,800,066,455.92/4,264,341.20 - Step 6: Final answer
x = 3,859,634.89
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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.