Finding the Fourth Proportional to 3,761,026.26, 5,190,216.24 and 2,151,394.26
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Solution
The fourth proportional to 3,761,026.26, 5,190,216.24 and 2,151,394.26 is: 2,968,924.08
Step by Step Solution
- Step 1: Write the proportion equation
3,761,026.26 : 5,190,216.24 = 2,151,394.26 : x - Step 2: Convert to fraction form
3,761,026.26/5,190,216.24 = 2,151,394.26/x - Step 3: Cross multiply
3,761,026.26x = 5,190,216.24 × 2,151,394.26 - Step 4: Simplify right side
3,761,026.26x = 11,166,201,426,894.78 - Step 5: Solve for x
x = 11,166,201,426,894.78/3,761,026.26 - Step 6: Final answer
x = 2,968,924.08
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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.