Finding the Fourth Proportional to 5,514,387.70, 8,271,581.55 and 4,097,211.70
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Solution
The fourth proportional to 5,514,387.70, 8,271,581.55 and 4,097,211.70 is: 6,145,817.55
Step by Step Solution
- Step 1: Write the proportion equation
5,514,387.70 : 8,271,581.55 = 4,097,211.70 : x - Step 2: Convert to fraction form
5,514,387.70/8,271,581.55 = 4,097,211.70/x - Step 3: Cross multiply
5,514,387.70x = 8,271,581.55 × 4,097,211.70 - Step 4: Simplify right side
5,514,387.70x = 33,890,420,704,164.14 - Step 5: Solve for x
x = 33,890,420,704,164.14/5,514,387.70 - Step 6: Final answer
x = 6,145,817.55
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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.