Finding the Fourth Proportional to 1,554,924.42, 2,331,555.51 and 489,680.42
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Solution
The fourth proportional to 1,554,924.42, 2,331,555.51 and 489,680.42 is: 734,258.89
Step by Step Solution
- Step 1: Write the proportion equation
1,554,924.42 : 2,331,555.51 = 489,680.42 : x - Step 2: Convert to fraction form
1,554,924.42/2,331,555.51 = 489,680.42/x - Step 3: Cross multiply
1,554,924.42x = 2,331,555.51 × 489,680.42 - Step 4: Simplify right side
1,554,924.42x = 1,141,717,081,390.11 - Step 5: Solve for x
x = 1,141,717,081,390.11/1,554,924.42 - Step 6: Final answer
x = 734,258.89
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1.5x scale
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.