Finding the Fourth Proportional to 4,913,596.56, 6,777,153.84 and 3,256,747.20
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Solution
The fourth proportional to 4,913,596.56, 6,777,153.84 and 3,256,747.20 is: 4,491,918.81
Step by Step Solution
- Step 1: Write the proportion equation
4,913,596.56 : 6,777,153.84 = 3,256,747.20 : x - Step 2: Convert to fraction form
4,913,596.56/6,777,153.84 = 3,256,747.20/x - Step 3: Cross multiply
4,913,596.56x = 6,777,153.84 × 3,256,747.20 - Step 4: Simplify right side
4,913,596.56x = 22,071,476,792,389.25 - Step 5: Solve for x
x = 22,071,476,792,389.25/4,913,596.56 - Step 6: Final answer
x = 4,491,918.81
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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.