Finding the Fourth Proportional to 3,285,986.39, 4,528,201.69 and 2,512,493.63
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Solution
The fourth proportional to 3,285,986.39, 4,528,201.69 and 2,512,493.63 is: 3,462,302.20
Step by Step Solution
- Step 1: Write the proportion equation
3,285,986.39 : 4,528,201.69 = 2,512,493.63 : x - Step 2: Convert to fraction form
3,285,986.39/4,528,201.69 = 2,512,493.63/x - Step 3: Cross multiply
3,285,986.39x = 4,528,201.69 × 2,512,493.63 - Step 4: Simplify right side
3,285,986.39x = 11,377,077,901,480.23 - Step 5: Solve for x
x = 11,377,077,901,480.23/3,285,986.39 - Step 6: Final answer
x = 3,462,302.20
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1.5x scale
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.