Finding the Fourth Proportional to 4,543,261.36, 6,269,740.72 and 2,478,286.10
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Solution
The fourth proportional to 4,543,261.36, 6,269,740.72 and 2,478,286.10 is: 3,420,056.67
Step by Step Solution
- Step 1: Write the proportion equation
4,543,261.36 : 6,269,740.72 = 2,478,286.10 : x - Step 2: Convert to fraction form
4,543,261.36/6,269,740.72 = 2,478,286.10/x - Step 3: Cross multiply
4,543,261.36x = 6,269,740.72 × 2,478,286.10 - Step 4: Simplify right side
4,543,261.36x = 15,538,211,299,989.46 - Step 5: Solve for x
x = 15,538,211,299,989.46/4,543,261.36 - Step 6: Final answer
x = 3,420,056.67
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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.