Finding the Fourth Proportional to 1,685,481.62, 2,528,296.20 and 487,525.03
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Solution
The fourth proportional to 1,685,481.62, 2,528,296.20 and 487,525.03 is: 731,308.88
Step by Step Solution
- Step 1: Write the proportion equation
1,685,481.62 : 2,528,296.20 = 487,525.03 : x - Step 2: Convert to fraction form
1,685,481.62/2,528,296.20 = 487,525.03/x - Step 3: Cross multiply
1,685,481.62x = 2,528,296.20 × 487,525.03 - Step 4: Simplify right side
1,685,481.62x = 1,232,607,674,433.15 - Step 5: Solve for x
x = 1,232,607,674,433.15/1,685,481.62 - Step 6: Final answer
x = 731,308.88
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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.