Finding the Fourth Proportional to 6,321,344.49, 8,723,478.41 and 3,420,735.10
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Solution
The fourth proportional to 6,321,344.49, 8,723,478.41 and 3,420,735.10 is: 4,720,626.89
Step by Step Solution
- Step 1: Write the proportion equation
6,321,344.49 : 8,723,478.41 = 3,420,735.10 : x - Step 2: Convert to fraction form
6,321,344.49/8,723,478.41 = 3,420,735.10/x - Step 3: Cross multiply
6,321,344.49x = 8,723,478.41 × 3,420,735.10 - Step 4: Simplify right side
6,321,344.49x = 29,840,708,791,179.19 - Step 5: Solve for x
x = 29,840,708,791,179.19/6,321,344.49 - Step 6: Final answer
x = 4,720,626.89
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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.