Finding the Fourth Proportional to 1,628,207.67, 2,441,655.41 and 490,617.75
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Solution
The fourth proportional to 1,628,207.67, 2,441,655.41 and 490,617.75 is: 735,728.93
Step by Step Solution
- Step 1: Write the proportion equation
1,628,207.67 : 2,441,655.41 = 490,617.75 : x - Step 2: Convert to fraction form
1,628,207.67/2,441,655.41 = 490,617.75/x - Step 3: Cross multiply
1,628,207.67x = 2,441,655.41 × 490,617.75 - Step 4: Simplify right side
1,628,207.67x = 1,197,919,481,076.44 - Step 5: Solve for x
x = 1,197,919,481,076.44/1,628,207.67 - Step 6: Final answer
x = 735,728.93
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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.