Finding the Fourth Proportional to 4,752,456.97, 7,124,923.81 and 1,719,350.41
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Solution
The fourth proportional to 4,752,456.97, 7,124,923.81 and 1,719,350.41 is: 2,577,664.72
Step by Step Solution
- Step 1: Write the proportion equation
4,752,456.97 : 7,124,923.81 = 1,719,350.41 : x - Step 2: Convert to fraction form
4,752,456.97/7,124,923.81 = 1,719,350.41/x - Step 3: Cross multiply
4,752,456.97x = 7,124,923.81 × 1,719,350.41 - Step 4: Simplify right side
4,752,456.97x = 12,250,240,673,942.26 - Step 5: Solve for x
x = 12,250,240,673,942.26/4,752,456.97 - Step 6: Final answer
x = 2,577,664.72
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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.