Finding the Fourth Proportional to 6,294,648.16, 8,685,843.87 and 3,970,668.14
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Solution
The fourth proportional to 6,294,648.16, 8,685,843.87 and 3,970,668.14 is: 5,479,035.95
Step by Step Solution
- Step 1: Write the proportion equation
6,294,648.16 : 8,685,843.87 = 3,970,668.14 : x - Step 2: Convert to fraction form
6,294,648.16/8,685,843.87 = 3,970,668.14/x - Step 3: Cross multiply
6,294,648.16x = 8,685,843.87 × 3,970,668.14 - Step 4: Simplify right side
6,294,648.16x = 34,488,603,543,011.36 - Step 5: Solve for x
x = 34,488,603,543,011.36/6,294,648.16 - Step 6: Final answer
x = 5,479,035.95
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.