Finding the Fourth Proportional to 5,202,288.05, 7,179,104.61 and 2,879,185.10
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Solution
The fourth proportional to 5,202,288.05, 7,179,104.61 and 2,879,185.10 is: 3,973,246.16
Step by Step Solution
- Step 1: Write the proportion equation
5,202,288.05 : 7,179,104.61 = 2,879,185.10 : x - Step 2: Convert to fraction form
5,202,288.05/7,179,104.61 = 2,879,185.10/x - Step 3: Cross multiply
5,202,288.05x = 7,179,104.61 × 2,879,185.10 - Step 4: Simplify right side
5,202,288.05x = 20,669,970,988,557.79 - Step 5: Solve for x
x = 20,669,970,988,557.79/5,202,288.05 - Step 6: Final answer
x = 3,973,246.16
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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.