Finding the Fourth Proportional to 5,626,668.09, 8,429,854.45 and 3,463,929.21
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Solution
The fourth proportional to 5,626,668.09, 8,429,854.45 and 3,463,929.21 is: 5,189,646.63
Step by Step Solution
- Step 1: Write the proportion equation
5,626,668.09 : 8,429,854.45 = 3,463,929.21 : x - Step 2: Convert to fraction form
5,626,668.09/8,429,854.45 = 3,463,929.21/x - Step 3: Cross multiply
5,626,668.09x = 8,429,854.45 × 3,463,929.21 - Step 4: Simplify right side
5,626,668.09x = 29,200,419,065,403.48 - Step 5: Solve for x
x = 29,200,419,065,403.48/5,626,668.09 - Step 6: Final answer
x = 5,189,646.63
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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.