Finding the Fourth Proportional to 2,107,284.15, 2,908,059.66 and 1,140,414.29
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Solution
The fourth proportional to 2,107,284.15, 2,908,059.66 and 1,140,414.29 is: 1,573,775.79
Step by Step Solution
- Step 1: Write the proportion equation
2,107,284.15 : 2,908,059.66 = 1,140,414.29 : x - Step 2: Convert to fraction form
2,107,284.15/2,908,059.66 = 1,140,414.29/x - Step 3: Cross multiply
2,107,284.15x = 2,908,059.66 × 1,140,414.29 - Step 4: Simplify right side
2,107,284.15x = 3,316,392,777,896.24 - Step 5: Solve for x
x = 3,316,392,777,896.24/2,107,284.15 - Step 6: Final answer
x = 1,573,775.79
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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.