Finding the Fourth Proportional to 5,863,613.12, 8,091,772.14 and 3,214,455.92
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Solution
The fourth proportional to 5,863,613.12, 8,091,772.14 and 3,214,455.92 is: 4,435,941.51
Step by Step Solution
- Step 1: Write the proportion equation
5,863,613.12 : 8,091,772.14 = 3,214,455.92 : x - Step 2: Convert to fraction form
5,863,613.12/8,091,772.14 = 3,214,455.92/x - Step 3: Cross multiply
5,863,613.12x = 8,091,772.14 × 3,214,455.92 - Step 4: Simplify right side
5,863,613.12x = 26,010,644,858,714.07 - Step 5: Solve for x
x = 26,010,644,858,714.07/5,863,613.12 - Step 6: Final answer
x = 4,435,941.51
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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.