Finding the Fourth Proportional to 2,665,689.25, 3,674,824.99 and 1,900,414.21
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Solution
The fourth proportional to 2,665,689.25, 3,674,824.99 and 1,900,414.21 is: 2,619,843.87
Step by Step Solution
- Step 1: Write the proportion equation
2,665,689.25 : 3,674,824.99 = 1,900,414.21 : x - Step 2: Convert to fraction form
2,665,689.25/3,674,824.99 = 1,900,414.21/x - Step 3: Cross multiply
2,665,689.25x = 3,674,824.99 × 1,900,414.21 - Step 4: Simplify right side
2,665,689.25x = 6,983,689,630,259.11 - Step 5: Solve for x
x = 6,983,689,630,259.11/2,665,689.25 - Step 6: Final answer
x = 2,619,843.87
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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.