Finding the Fourth Proportional to 1,568,617.44, 2,164,613.04 and 889,617.12
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Solution
The fourth proportional to 1,568,617.44, 2,164,613.04 and 889,617.12 is: 1,227,626.81
Step by Step Solution
- Step 1: Write the proportion equation
1,568,617.44 : 2,164,613.04 = 889,617.12 : x - Step 2: Convert to fraction form
1,568,617.44/2,164,613.04 = 889,617.12/x - Step 3: Cross multiply
1,568,617.44x = 2,164,613.04 × 889,617.12 - Step 4: Simplify right side
1,568,617.44x = 1,925,676,818,559.25 - Step 5: Solve for x
x = 1,925,676,818,559.25/1,568,617.44 - Step 6: Final answer
x = 1,227,626.81
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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.