Finding the Fourth Proportional to 6,147,228.28, 8,483,135.37 and 3,394,087.28
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Solution
The fourth proportional to 6,147,228.28, 8,483,135.37 and 3,394,087.28 is: 4,683,818.55
Step by Step Solution
- Step 1: Write the proportion equation
6,147,228.28 : 8,483,135.37 = 3,394,087.28 : x - Step 2: Convert to fraction form
6,147,228.28/8,483,135.37 = 3,394,087.28/x - Step 3: Cross multiply
6,147,228.28x = 8,483,135.37 × 3,394,087.28 - Step 4: Simplify right side
6,147,228.28x = 28,792,501,853,835.09 - Step 5: Solve for x
x = 28,792,501,853,835.09/6,147,228.28 - Step 6: Final answer
x = 4,683,818.55
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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.