Finding the Fourth Proportional to 1,554,924.92, 2,331,556.26 and 489,680.92
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Solution
The fourth proportional to 1,554,924.92, 2,331,556.26 and 489,680.92 is: 734,259.64
Step by Step Solution
- Step 1: Write the proportion equation
1,554,924.92 : 2,331,556.26 = 489,680.92 : x - Step 2: Convert to fraction form
1,554,924.92/2,331,556.26 = 489,680.92/x - Step 3: Cross multiply
1,554,924.92x = 2,331,556.26 × 489,680.92 - Step 4: Simplify right side
1,554,924.92x = 1,141,718,614,428.56 - Step 5: Solve for x
x = 1,141,718,614,428.56/1,554,924.92 - Step 6: Final answer
x = 734,259.64
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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.