Finding the Fourth Proportional to 5,514,405.20, 8,271,607.80 and 4,097,229.20
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Solution
The fourth proportional to 5,514,405.20, 8,271,607.80 and 4,097,229.20 is: 6,145,843.80
Step by Step Solution
- Step 1: Write the proportion equation
5,514,405.20 : 8,271,607.80 = 4,097,229.20 : x - Step 2: Convert to fraction form
5,514,405.20/8,271,607.80 = 4,097,229.20/x - Step 3: Cross multiply
5,514,405.20x = 8,271,607.80 × 4,097,229.20 - Step 4: Simplify right side
5,514,405.20x = 33,890,673,009,107.76 - Step 5: Solve for x
x = 33,890,673,009,107.76/5,514,405.20 - Step 6: Final answer
x = 6,145,843.80
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1.5x scale
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.