Finding the Fourth Proportional to 1,449,290.94, 2,164,176.94 and 1,183,578.54
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Solution
The fourth proportional to 1,449,290.94, 2,164,176.94 and 1,183,578.54 is: 1,767,397.64
Step by Step Solution
- Step 1: Write the proportion equation
1,449,290.94 : 2,164,176.94 = 1,183,578.54 : x - Step 2: Convert to fraction form
1,449,290.94/2,164,176.94 = 1,183,578.54/x - Step 3: Cross multiply
1,449,290.94x = 2,164,176.94 × 1,183,578.54 - Step 4: Simplify right side
1,449,290.94x = 2,561,473,382,946.87 - Step 5: Solve for x
x = 2,561,473,382,946.87/1,449,290.94 - Step 6: Final answer
x = 1,767,397.64
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.