Finding the Fourth Proportional to 1,976,125.34, 2,726,902.76 and 1,201,649.27
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Solution
The fourth proportional to 1,976,125.34, 2,726,902.76 and 1,201,649.27 is: 1,658,184.65
Step by Step Solution
- Step 1: Write the proportion equation
1,976,125.34 : 2,726,902.76 = 1,201,649.27 : x - Step 2: Convert to fraction form
1,976,125.34/2,726,902.76 = 1,201,649.27/x - Step 3: Cross multiply
1,976,125.34x = 2,726,902.76 × 1,201,649.27 - Step 4: Simplify right side
1,976,125.34x = 3,276,780,691,272.22 - Step 5: Solve for x
x = 3,276,780,691,272.22/1,976,125.34 - Step 6: Final answer
x = 1,658,184.65
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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.