Finding the Fourth Proportional to 3,534,106.76, 4,876,939.32 and 2,159,749.80
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Solution
The fourth proportional to 3,534,106.76, 4,876,939.32 and 2,159,749.80 is: 2,980,376.50
Step by Step Solution
- Step 1: Write the proportion equation
3,534,106.76 : 4,876,939.32 = 2,159,749.80 : x - Step 2: Convert to fraction form
3,534,106.76/4,876,939.32 = 2,159,749.80/x - Step 3: Cross multiply
3,534,106.76x = 4,876,939.32 × 2,159,749.80 - Step 4: Simplify right side
3,534,106.76x = 10,532,968,720,982.13 - Step 5: Solve for x
x = 10,532,968,720,982.13/3,534,106.76 - Step 6: Final answer
x = 2,980,376.50
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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.