Finding the Fourth Proportional to 2,272,006.32, 3,135,207.30 and 1,278,719.04
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Solution
The fourth proportional to 2,272,006.32, 3,135,207.30 and 1,278,719.04 is: 1,764,541.42
Step by Step Solution
- Step 1: Write the proportion equation
2,272,006.32 : 3,135,207.30 = 1,278,719.04 : x - Step 2: Convert to fraction form
2,272,006.32/3,135,207.30 = 1,278,719.04/x - Step 3: Cross multiply
2,272,006.32x = 3,135,207.30 × 1,278,719.04 - Step 4: Simplify right side
2,272,006.32x = 4,009,049,268,856.99 - Step 5: Solve for x
x = 4,009,049,268,856.99/2,272,006.32 - Step 6: Final answer
x = 1,764,541.42
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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.