Finding the Fourth Proportional to 1,542,149.76, 2,127,912.72 and 968,783.84
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Solution
The fourth proportional to 1,542,149.76, 2,127,912.72 and 968,783.84 is: 1,336,762.17
Step by Step Solution
- Step 1: Write the proportion equation
1,542,149.76 : 2,127,912.72 = 968,783.84 : x - Step 2: Convert to fraction form
1,542,149.76/2,127,912.72 = 968,783.84/x - Step 3: Cross multiply
1,542,149.76x = 2,127,912.72 × 968,783.84 - Step 4: Simplify right side
1,542,149.76x = 2,061,487,456,066.44 - Step 5: Solve for x
x = 2,061,487,456,066.44/1,542,149.76 - Step 6: Final answer
x = 1,336,762.17
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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.