Finding the Fourth Proportional to 4,161,618.40, 6,235,429.20 and 2,740,943.20
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Solution
The fourth proportional to 4,161,618.40, 6,235,429.20 and 2,740,943.20 is: 4,106,805.48
Step by Step Solution
- Step 1: Write the proportion equation
4,161,618.40 : 6,235,429.20 = 2,740,943.20 : x - Step 2: Convert to fraction form
4,161,618.40/6,235,429.20 = 2,740,943.20/x - Step 3: Cross multiply
4,161,618.40x = 6,235,429.20 × 2,740,943.20 - Step 4: Simplify right side
4,161,618.40x = 17,090,957,264,821.44 - Step 5: Solve for x
x = 17,090,957,264,821.44/4,161,618.40 - Step 6: Final answer
x = 4,106,805.48
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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.