Finding the Fourth Proportional to 6,782,637.75, 9,360,125.21 and 3,685,212.82
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Solution
The fourth proportional to 6,782,637.75, 9,360,125.21 and 3,685,212.82 is: 5,085,639.94
Step by Step Solution
- Step 1: Write the proportion equation
6,782,637.75 : 9,360,125.21 = 3,685,212.82 : x - Step 2: Convert to fraction form
6,782,637.75/9,360,125.21 = 3,685,212.82/x - Step 3: Cross multiply
6,782,637.75x = 9,360,125.21 × 3,685,212.82 - Step 4: Simplify right side
6,782,637.75x = 34,494,053,416,217.23 - Step 5: Solve for x
x = 34,494,053,416,217.23/6,782,637.75 - Step 6: Final answer
x = 5,085,639.94
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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.