Finding the Fourth Proportional to 2,135,359.12, 2,943,204.24 and 1,618,942
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Solution
The fourth proportional to 2,135,359.12, 2,943,204.24 and 1,618,942 is: 2,231,417.15
Step by Step Solution
- Step 1: Write the proportion equation
2,135,359.12 : 2,943,204.24 = 1,618,942 : x - Step 2: Convert to fraction form
2,135,359.12/2,943,204.24 = 1,618,942/x - Step 3: Cross multiply
2,135,359.12x = 2,943,204.24 × 1,618,942 - Step 4: Simplify right side
2,135,359.12x = 4,764,876,958,714.08 - Step 5: Solve for x
x = 4,764,876,958,714.08/2,135,359.12 - Step 6: Final answer
x = 2,231,417.15
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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.