Finding the Fourth Proportional to 5,430,613.40, 8,143,514.40 and 1,835,404.10
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Solution
The fourth proportional to 5,430,613.40, 8,143,514.40 and 1,835,404.10 is: 2,752,293.09
Step by Step Solution
- Step 1: Write the proportion equation
5,430,613.40 : 8,143,514.40 = 1,835,404.10 : x - Step 2: Convert to fraction form
5,430,613.40/8,143,514.40 = 1,835,404.10/x - Step 3: Cross multiply
5,430,613.40x = 8,143,514.40 × 1,835,404.10 - Step 4: Simplify right side
5,430,613.40x = 14,946,639,718,169.04 - Step 5: Solve for x
x = 14,946,639,718,169.04/5,430,613.40 - Step 6: Final answer
x = 2,752,293.09
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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.