Finding the Fourth Proportional to 1,511,762.02, 2,086,234.49 and 823,431.75
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Solution
The fourth proportional to 1,511,762.02, 2,086,234.49 and 823,431.75 is: 1,136,337.40
Step by Step Solution
- Step 1: Write the proportion equation
1,511,762.02 : 2,086,234.49 = 823,431.75 : x - Step 2: Convert to fraction form
1,511,762.02/2,086,234.49 = 823,431.75/x - Step 3: Cross multiply
1,511,762.02x = 2,086,234.49 × 823,431.75 - Step 4: Simplify right side
1,511,762.02x = 1,717,871,717,011.06 - Step 5: Solve for x
x = 1,717,871,717,011.06/1,511,762.02 - Step 6: Final answer
x = 1,136,337.40
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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.