Finding the Fourth Proportional to 3,169,081.97, 4,372,649.03 and 1,880,348.75
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Solution
The fourth proportional to 3,169,081.97, 4,372,649.03 and 1,880,348.75 is: 2,594,475.37
Step by Step Solution
- Step 1: Write the proportion equation
3,169,081.97 : 4,372,649.03 = 1,880,348.75 : x - Step 2: Convert to fraction form
3,169,081.97/4,372,649.03 = 1,880,348.75/x - Step 3: Cross multiply
3,169,081.97x = 4,372,649.03 × 1,880,348.75 - Step 4: Simplify right side
3,169,081.97x = 8,222,105,128,347.47 - Step 5: Solve for x
x = 8,222,105,128,347.47/3,169,081.97 - Step 6: Final answer
x = 2,594,475.37
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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.