Finding the Fourth Proportional to 5,514,474.30, 8,271,711.45 and 4,239,015.90
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Solution
The fourth proportional to 5,514,474.30, 8,271,711.45 and 4,239,015.90 is: 6,358,523.85
Step by Step Solution
- Step 1: Write the proportion equation
5,514,474.30 : 8,271,711.45 = 4,239,015.90 : x - Step 2: Convert to fraction form
5,514,474.30/8,271,711.45 = 4,239,015.90/x - Step 3: Cross multiply
5,514,474.30x = 8,271,711.45 × 4,239,015.90 - Step 4: Simplify right side
5,514,474.30x = 35,063,916,356,762.06 - Step 5: Solve for x
x = 35,063,916,356,762.06/5,514,474.30 - Step 6: Final answer
x = 6,358,523.85
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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.