Finding the Fourth Proportional to 2,179,520.70, 3,268,114.65 and 915,920.70
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Solution
The fourth proportional to 2,179,520.70, 3,268,114.65 and 915,920.70 is: 1,373,390.88
Step by Step Solution
- Step 1: Write the proportion equation
2,179,520.70 : 3,268,114.65 = 915,920.70 : x - Step 2: Convert to fraction form
2,179,520.70/3,268,114.65 = 915,920.70/x - Step 3: Cross multiply
2,179,520.70x = 3,268,114.65 × 915,920.70 - Step 4: Simplify right side
2,179,520.70x = 2,993,333,857,908.26 - Step 5: Solve for x
x = 2,993,333,857,908.26/2,179,520.70 - Step 6: Final answer
x = 1,373,390.88
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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.