Finding the Fourth Proportional to 2,278,078.44, 3,142,844.04 and 1,310,688.12
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Solution
The fourth proportional to 2,278,078.44, 3,142,844.04 and 1,310,688.12 is: 1,808,229.37
Step by Step Solution
- Step 1: Write the proportion equation
2,278,078.44 : 3,142,844.04 = 1,310,688.12 : x - Step 2: Convert to fraction form
2,278,078.44/3,142,844.04 = 1,310,688.12/x - Step 3: Cross multiply
2,278,078.44x = 3,142,844.04 × 1,310,688.12 - Step 4: Simplify right side
2,278,078.44x = 4,119,288,346,240.81 - Step 5: Solve for x
x = 4,119,288,346,240.81/2,278,078.44 - Step 6: Final answer
x = 1,808,229.37
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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.