Finding the Fourth Proportional to 5,514,453.60, 8,277,901.20 and 3,271,855.20
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Solution
The fourth proportional to 5,514,453.60, 8,277,901.20 and 3,271,855.20 is: 4,911,473.75
Step by Step Solution
- Step 1: Write the proportion equation
5,514,453.60 : 8,277,901.20 = 3,271,855.20 : x - Step 2: Convert to fraction form
5,514,453.60/8,277,901.20 = 3,271,855.20/x - Step 3: Cross multiply
5,514,453.60x = 8,277,901.20 × 3,271,855.20 - Step 4: Simplify right side
5,514,453.60x = 27,084,094,086,306.24 - Step 5: Solve for x
x = 27,084,094,086,306.24/5,514,453.60 - Step 6: Final answer
x = 4,911,473.75
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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.