Finding the Fourth Proportional to 4,042,772.52, 5,578,391.80 and 2,323,571.80
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Solution
The fourth proportional to 4,042,772.52, 5,578,391.80 and 2,323,571.80 is: 3,206,164.53
Step by Step Solution
- Step 1: Write the proportion equation
4,042,772.52 : 5,578,391.80 = 2,323,571.80 : x - Step 2: Convert to fraction form
4,042,772.52/5,578,391.80 = 2,323,571.80/x - Step 3: Cross multiply
4,042,772.52x = 5,578,391.80 × 2,323,571.80 - Step 4: Simplify right side
4,042,772.52x = 12,961,793,875,831.24 - Step 5: Solve for x
x = 12,961,793,875,831.24/4,042,772.52 - Step 6: Final answer
x = 3,206,164.53
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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.