Finding the Fourth Proportional to 6,361,588.26, 8,778,336.39 and 3,782,770.74
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Solution
The fourth proportional to 6,361,588.26, 8,778,336.39 and 3,782,770.74 is: 5,219,833.90
Step by Step Solution
- Step 1: Write the proportion equation
6,361,588.26 : 8,778,336.39 = 3,782,770.74 : x - Step 2: Convert to fraction form
6,361,588.26/8,778,336.39 = 3,782,770.74/x - Step 3: Cross multiply
6,361,588.26x = 8,778,336.39 × 3,782,770.74 - Step 4: Simplify right side
6,361,588.26x = 33,206,434,041,969.23 - Step 5: Solve for x
x = 33,206,434,041,969.23/6,361,588.26 - Step 6: Final answer
x = 5,219,833.90
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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.