Finding the Fourth Proportional to 1,968,600.68, 2,716,668.38 and 1,063,182.68
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Solution
The fourth proportional to 1,968,600.68, 2,716,668.38 and 1,063,182.68 is: 1,467,191.80
Step by Step Solution
- Step 1: Write the proportion equation
1,968,600.68 : 2,716,668.38 = 1,063,182.68 : x - Step 2: Convert to fraction form
1,968,600.68/2,716,668.38 = 1,063,182.68/x - Step 3: Cross multiply
1,968,600.68x = 2,716,668.38 × 1,063,182.68 - Step 4: Simplify right side
1,968,600.68x = 2,888,314,768,919.66 - Step 5: Solve for x
x = 2,888,314,768,919.66/1,968,600.68 - Step 6: Final answer
x = 1,467,191.80
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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.