Finding the Fourth Proportional to 2,139,414.01, 2,952,414.44 and 1,172,523.49
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Solution
The fourth proportional to 2,139,414.01, 2,952,414.44 and 1,172,523.49 is: 1,618,095.08
Step by Step Solution
- Step 1: Write the proportion equation
2,139,414.01 : 2,952,414.44 = 1,172,523.49 : x - Step 2: Convert to fraction form
2,139,414.01/2,952,414.44 = 1,172,523.49/x - Step 3: Cross multiply
2,139,414.01x = 2,952,414.44 × 1,172,523.49 - Step 4: Simplify right side
2,139,414.01x = 3,461,775,283,115.20 - Step 5: Solve for x
x = 3,461,775,283,115.20/2,139,414.01 - Step 6: Final answer
x = 1,618,095.08
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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.