Finding the Fourth Proportional to 4,543,938.62, 6,270,652.90 and 2,479,000.56
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Solution
The fourth proportional to 4,543,938.62, 6,270,652.90 and 2,479,000.56 is: 3,421,030.38
Step by Step Solution
- Step 1: Write the proportion equation
4,543,938.62 : 6,270,652.90 = 2,479,000.56 : x - Step 2: Convert to fraction form
4,543,938.62/6,270,652.90 = 2,479,000.56/x - Step 3: Cross multiply
4,543,938.62x = 6,270,652.90 × 2,479,000.56 - Step 4: Simplify right side
4,543,938.62x = 15,544,952,050,665.62 - Step 5: Solve for x
x = 15,544,952,050,665.62/4,543,938.62 - Step 6: Final answer
x = 3,421,030.38
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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.