Finding the Fourth Proportional to 1,925,173.92, 2,887,752.96 and 485,860.56
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Solution
The fourth proportional to 1,925,173.92, 2,887,752.96 and 485,860.56 is: 728,788.84
Step by Step Solution
- Step 1: Write the proportion equation
1,925,173.92 : 2,887,752.96 = 485,860.56 : x - Step 2: Convert to fraction form
1,925,173.92/2,887,752.96 = 485,860.56/x - Step 3: Cross multiply
1,925,173.92x = 2,887,752.96 × 485,860.56 - Step 4: Simplify right side
1,925,173.92x = 1,403,045,270,287.26 - Step 5: Solve for x
x = 1,403,045,270,287.26/1,925,173.92 - Step 6: Final answer
x = 728,788.84
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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.