Finding the Fourth Proportional to 2,132,181.67, 2,942,403.65 and 1,165,311.70
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Solution
The fourth proportional to 2,132,181.67, 2,942,403.65 and 1,165,311.70 is: 1,608,126.29
Step by Step Solution
- Step 1: Write the proportion equation
2,132,181.67 : 2,942,403.65 = 1,165,311.70 : x - Step 2: Convert to fraction form
2,132,181.67/2,942,403.65 = 1,165,311.70/x - Step 3: Cross multiply
2,132,181.67x = 2,942,403.65 × 1,165,311.70 - Step 4: Simplify right side
2,132,181.67x = 3,428,817,399,467.70 - Step 5: Solve for x
x = 3,428,817,399,467.70/2,132,181.67 - Step 6: Final answer
x = 1,608,126.29
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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.