Finding the Fourth Proportional to 5,514,357.80, 8,271,536.70 and 3,990,893.60
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Solution
The fourth proportional to 5,514,357.80, 8,271,536.70 and 3,990,893.60 is: 5,986,340.40
Step by Step Solution
- Step 1: Write the proportion equation
5,514,357.80 : 8,271,536.70 = 3,990,893.60 : x - Step 2: Convert to fraction form
5,514,357.80/8,271,536.70 = 3,990,893.60/x - Step 3: Cross multiply
5,514,357.80x = 8,271,536.70 × 3,990,893.60 - Step 4: Simplify right side
5,514,357.80x = 33,010,822,878,195.12 - Step 5: Solve for x
x = 33,010,822,878,195.12/5,514,357.80 - Step 6: Final answer
x = 5,986,340.40
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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.