Finding the Fourth Proportional to 1,638,167.70, 2,458,358.72 and 573,218.99
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Solution
The fourth proportional to 1,638,167.70, 2,458,358.72 and 573,218.99 is: 860,215.89
Step by Step Solution
- Step 1: Write the proportion equation
1,638,167.70 : 2,458,358.72 = 573,218.99 : x - Step 2: Convert to fraction form
1,638,167.70/2,458,358.72 = 573,218.99/x - Step 3: Cross multiply
1,638,167.70x = 2,458,358.72 × 573,218.99 - Step 4: Simplify right side
1,638,167.70x = 1,409,177,887,378.20 - Step 5: Solve for x
x = 1,409,177,887,378.20/1,638,167.70 - Step 6: Final answer
x = 860,215.89
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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.