Finding the Fourth Proportional to 2,405,655.18, 3,318,544.49 and 1,487,591.46
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Solution
The fourth proportional to 2,405,655.18, 3,318,544.49 and 1,487,591.46 is: 2,052,097.27
Step by Step Solution
- Step 1: Write the proportion equation
2,405,655.18 : 3,318,544.49 = 1,487,591.46 : x - Step 2: Convert to fraction form
2,405,655.18/3,318,544.49 = 1,487,591.46/x - Step 3: Cross multiply
2,405,655.18x = 3,318,544.49 × 1,487,591.46 - Step 4: Simplify right side
2,405,655.18x = 4,936,638,435,516.10 - Step 5: Solve for x
x = 4,936,638,435,516.10/2,405,655.18 - Step 6: Final answer
x = 2,052,097.27
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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.