Finding the Fourth Proportional to 2,114,376.06, 3,171,564.09 and 516,920.19
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Solution
The fourth proportional to 2,114,376.06, 3,171,564.09 and 516,920.19 is: 775,380.29
Step by Step Solution
- Step 1: Write the proportion equation
2,114,376.06 : 3,171,564.09 = 516,920.19 : x - Step 2: Convert to fraction form
2,114,376.06/3,171,564.09 = 516,920.19/x - Step 3: Cross multiply
2,114,376.06x = 3,171,564.09 × 516,920.19 - Step 4: Simplify right side
2,114,376.06x = 1,639,445,511,999.98 - Step 5: Solve for x
x = 1,639,445,511,999.98/2,114,376.06 - Step 6: Final answer
x = 775,380.29
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.