Finding the Fourth Proportional to 1,613,919.70, 2,421,198.51 and 476,701.66
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Solution
The fourth proportional to 1,613,919.70, 2,421,198.51 and 476,701.66 is: 715,146.70
Step by Step Solution
- Step 1: Write the proportion equation
1,613,919.70 : 2,421,198.51 = 476,701.66 : x - Step 2: Convert to fraction form
1,613,919.70/2,421,198.51 = 476,701.66/x - Step 3: Cross multiply
1,613,919.70x = 2,421,198.51 × 476,701.66 - Step 4: Simplify right side
1,613,919.70x = 1,154,189,348,906.53 - Step 5: Solve for x
x = 1,154,189,348,906.53/1,613,919.70 - Step 6: Final answer
x = 715,146.70
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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.