Finding the Fourth Proportional to 2,132,181.40, 2,942,403.32 and 1,165,311.44
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Solution
The fourth proportional to 2,132,181.40, 2,942,403.32 and 1,165,311.44 is: 1,608,125.95
Step by Step Solution
- Step 1: Write the proportion equation
2,132,181.40 : 2,942,403.32 = 1,165,311.44 : x - Step 2: Convert to fraction form
2,132,181.40/2,942,403.32 = 1,165,311.44/x - Step 3: Cross multiply
2,132,181.40x = 2,942,403.32 × 1,165,311.44 - Step 4: Simplify right side
2,132,181.40x = 3,428,816,249,889.98 - Step 5: Solve for x
x = 3,428,816,249,889.98/2,132,181.40 - Step 6: Final answer
x = 1,608,125.95
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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.