Finding the Fourth Proportional to 2,066,618.71, 3,101,338.68 and 718,767.88
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Solution
The fourth proportional to 2,066,618.71, 3,101,338.68 and 718,767.88 is: 1,078,642.43
Step by Step Solution
- Step 1: Write the proportion equation
2,066,618.71 : 3,101,338.68 = 718,767.88 : x - Step 2: Convert to fraction form
2,066,618.71/3,101,338.68 = 718,767.88/x - Step 3: Cross multiply
2,066,618.71x = 3,101,338.68 × 718,767.88 - Step 4: Simplify right side
2,066,618.71x = 2,229,142,621,779.94 - Step 5: Solve for x
x = 2,229,142,621,779.94/2,066,618.71 - Step 6: Final answer
x = 1,078,642.43
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.