Finding the Fourth Proportional to 5,379,901.56, 7,424,153.33 and 2,932,491.42
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Solution
The fourth proportional to 5,379,901.56, 7,424,153.33 and 2,932,491.42 is: 4,046,777.75
Step by Step Solution
- Step 1: Write the proportion equation
5,379,901.56 : 7,424,153.33 = 2,932,491.42 : x - Step 2: Convert to fraction form
5,379,901.56/7,424,153.33 = 2,932,491.42/x - Step 3: Cross multiply
5,379,901.56x = 7,424,153.33 × 2,932,491.42 - Step 4: Simplify right side
5,379,901.56x = 21,771,265,926,326.97 - Step 5: Solve for x
x = 21,771,265,926,326.97/5,379,901.56 - Step 6: Final answer
x = 4,046,777.75
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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.