Finding the Fourth Proportional to 4,211,938.14, 5,812,473.54 and 2,376,379.90
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Solution
The fourth proportional to 4,211,938.14, 5,812,473.54 and 2,376,379.90 is: 3,279,403.65
Step by Step Solution
- Step 1: Write the proportion equation
4,211,938.14 : 5,812,473.54 = 2,376,379.90 : x - Step 2: Convert to fraction form
4,211,938.14/5,812,473.54 = 2,376,379.90/x - Step 3: Cross multiply
4,211,938.14x = 5,812,473.54 × 2,376,379.90 - Step 4: Simplify right side
4,211,938.14x = 13,812,645,289,737.85 - Step 5: Solve for x
x = 13,812,645,289,737.85/4,211,938.14 - Step 6: Final answer
x = 3,279,403.65
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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.