Finding the Fourth Proportional to 3,964,623.60, 5,947,161.48 and 1,124,512.56
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Solution
The fourth proportional to 3,964,623.60, 5,947,161.48 and 1,124,512.56 is: 1,686,832.96
Step by Step Solution
- Step 1: Write the proportion equation
3,964,623.60 : 5,947,161.48 = 1,124,512.56 : x - Step 2: Convert to fraction form
3,964,623.60/5,947,161.48 = 1,124,512.56/x - Step 3: Cross multiply
3,964,623.60x = 5,947,161.48 × 1,124,512.56 - Step 4: Simplify right side
3,964,623.60x = 6,687,657,780,608.19 - Step 5: Solve for x
x = 6,687,657,780,608.19/3,964,623.60 - Step 6: Final answer
x = 1,686,832.96
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.