Finding the Fourth Proportional to 1,353,161.88, 2,028,275.64 and 677,614.68
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Solution
The fourth proportional to 1,353,161.88, 2,028,275.64 and 677,614.68 is: 1,015,687.31
Step by Step Solution
- Step 1: Write the proportion equation
1,353,161.88 : 2,028,275.64 = 677,614.68 : x - Step 2: Convert to fraction form
1,353,161.88/2,028,275.64 = 677,614.68/x - Step 3: Cross multiply
1,353,161.88x = 2,028,275.64 × 677,614.68 - Step 4: Simplify right side
1,353,161.88x = 1,374,389,348,750.40 - Step 5: Solve for x
x = 1,374,389,348,750.40/1,353,161.88 - Step 6: Final answer
x = 1,015,687.31
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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.