Finding the Fourth Proportional to 2,728,505.79, 3,764,387.21 and 1,748,984.96
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Solution
The fourth proportional to 2,728,505.79, 3,764,387.21 and 1,748,984.96 is: 2,412,989.79
Step by Step Solution
- Step 1: Write the proportion equation
2,728,505.79 : 3,764,387.21 = 1,748,984.96 : x - Step 2: Convert to fraction form
2,728,505.79/3,764,387.21 = 1,748,984.96/x - Step 3: Cross multiply
2,728,505.79x = 3,764,387.21 × 1,748,984.96 - Step 4: Simplify right side
2,728,505.79x = 6,583,856,614,572.40 - Step 5: Solve for x
x = 6,583,856,614,572.40/2,728,505.79 - Step 6: Final answer
x = 2,412,989.79
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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.