Finding the Fourth Proportional to 4,142,517.84, 5,716,006.92 and 2,615,449.68
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Solution
The fourth proportional to 4,142,517.84, 5,716,006.92 and 2,615,449.68 is: 3,608,899.00
Step by Step Solution
- Step 1: Write the proportion equation
4,142,517.84 : 5,716,006.92 = 2,615,449.68 : x - Step 2: Convert to fraction form
4,142,517.84/5,716,006.92 = 2,615,449.68/x - Step 3: Cross multiply
4,142,517.84x = 5,716,006.92 × 2,615,449.68 - Step 4: Simplify right side
4,142,517.84x = 14,949,928,469,791.79 - Step 5: Solve for x
x = 14,949,928,469,791.79/4,142,517.84 - Step 6: Final answer
x = 3,608,899.00
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1.5x scale
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.