Finding the Fourth Proportional to 2,309,933.09, 3,187,624.12 and 1,263,318.55
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Solution
The fourth proportional to 2,309,933.09, 3,187,624.12 and 1,263,318.55 is: 1,743,333.90
Step by Step Solution
- Step 1: Write the proportion equation
2,309,933.09 : 3,187,624.12 = 1,263,318.55 : x - Step 2: Convert to fraction form
2,309,933.09/3,187,624.12 = 1,263,318.55/x - Step 3: Cross multiply
2,309,933.09x = 3,187,624.12 × 1,263,318.55 - Step 4: Simplify right side
2,309,933.09x = 4,026,984,670,096.07 - Step 5: Solve for x
x = 4,026,984,670,096.07/2,309,933.09 - Step 6: Final answer
x = 1,743,333.90
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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.