Finding the Fourth Proportional to 5,146,724.16, 7,103,329.62 and 2,855,622.96
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Solution
The fourth proportional to 5,146,724.16, 7,103,329.62 and 2,855,622.96 is: 3,941,231.46
Step by Step Solution
- Step 1: Write the proportion equation
5,146,724.16 : 7,103,329.62 = 2,855,622.96 : x - Step 2: Convert to fraction form
5,146,724.16/7,103,329.62 = 2,855,622.96/x - Step 3: Cross multiply
5,146,724.16x = 7,103,329.62 × 2,855,622.96 - Step 4: Simplify right side
5,146,724.16x = 20,284,431,155,320.07 - Step 5: Solve for x
x = 20,284,431,155,320.07/5,146,724.16 - Step 6: Final answer
x = 3,941,231.46
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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.