Finding the Fourth Proportional to 3,646,629.68, 5,032,348.76 and 2,036,997.68
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Solution
The fourth proportional to 3,646,629.68, 5,032,348.76 and 2,036,997.68 is: 2,811,056.69
Step by Step Solution
- Step 1: Write the proportion equation
3,646,629.68 : 5,032,348.76 = 2,036,997.68 : x - Step 2: Convert to fraction form
3,646,629.68/5,032,348.76 = 2,036,997.68/x - Step 3: Cross multiply
3,646,629.68x = 5,032,348.76 × 2,036,997.68 - Step 4: Simplify right side
3,646,629.68x = 10,250,882,749,070.88 - Step 5: Solve for x
x = 10,250,882,749,070.88/3,646,629.68 - Step 6: Final answer
x = 2,811,056.69
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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.