Finding the Fourth Proportional to 6,612,968.54, 9,125,392.76 and 3,711,798.90
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Solution
The fourth proportional to 6,612,968.54, 9,125,392.76 and 3,711,798.90 is: 5,121,999.69
Step by Step Solution
- Step 1: Write the proportion equation
6,612,968.54 : 9,125,392.76 = 3,711,798.90 : x - Step 2: Convert to fraction form
6,612,968.54/9,125,392.76 = 3,711,798.90/x - Step 3: Cross multiply
6,612,968.54x = 9,125,392.76 × 3,711,798.90 - Step 4: Simplify right side
6,612,968.54x = 33,871,622,790,076.97 - Step 5: Solve for x
x = 33,871,622,790,076.97/6,612,968.54 - Step 6: Final answer
x = 5,121,999.69
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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.