Finding the Fourth Proportional to 6,394,322.97, 8,828,076.12 and 4,161,228.39
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Solution
The fourth proportional to 6,394,322.97, 8,828,076.12 and 4,161,228.39 is: 5,745,039.96
Step by Step Solution
- Step 1: Write the proportion equation
6,394,322.97 : 8,828,076.12 = 4,161,228.39 : x - Step 2: Convert to fraction form
6,394,322.97/8,828,076.12 = 4,161,228.39/x - Step 3: Cross multiply
6,394,322.97x = 8,828,076.12 × 4,161,228.39 - Step 4: Simplify right side
6,394,322.97x = 36,735,640,935,484.66 - Step 5: Solve for x
x = 36,735,640,935,484.66/6,394,322.97 - Step 6: Final answer
x = 5,745,039.96
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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.