Finding the Fourth Proportional to 3,949,356.84, 5,450,112.60 and 2,138,520.84
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Solution
The fourth proportional to 3,949,356.84, 5,450,112.60 and 2,138,520.84 is: 2,951,158.85
Step by Step Solution
- Step 1: Write the proportion equation
3,949,356.84 : 5,450,112.60 = 2,138,520.84 : x - Step 2: Convert to fraction form
3,949,356.84/5,450,112.60 = 2,138,520.84/x - Step 3: Cross multiply
3,949,356.84x = 5,450,112.60 × 2,138,520.84 - Step 4: Simplify right side
3,949,356.84x = 11,655,179,375,446.58 - Step 5: Solve for x
x = 11,655,179,375,446.58/3,949,356.84 - Step 6: Final answer
x = 2,951,158.85
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.