Finding the Fourth Proportional to 5,716,118.28, 7,888,212.14 and 3,137,842.92
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Solution
The fourth proportional to 5,716,118.28, 7,888,212.14 and 3,137,842.92 is: 4,330,206.16
Step by Step Solution
- Step 1: Write the proportion equation
5,716,118.28 : 7,888,212.14 = 3,137,842.92 : x - Step 2: Convert to fraction form
5,716,118.28/7,888,212.14 = 3,137,842.92/x - Step 3: Cross multiply
5,716,118.28x = 7,888,212.14 × 3,137,842.92 - Step 4: Simplify right side
5,716,118.28x = 24,751,970,614,957.05 - Step 5: Solve for x
x = 24,751,970,614,957.05/5,716,118.28 - Step 6: Final answer
x = 4,330,206.16
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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.