Finding the Fourth Proportional to 3,970,578.84, 5,480,372.16 and 2,252,704.92
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Solution
The fourth proportional to 3,970,578.84, 5,480,372.16 and 2,252,704.92 is: 3,109,285.03
Step by Step Solution
- Step 1: Write the proportion equation
3,970,578.84 : 5,480,372.16 = 2,252,704.92 : x - Step 2: Convert to fraction form
3,970,578.84/5,480,372.16 = 2,252,704.92/x - Step 3: Cross multiply
3,970,578.84x = 5,480,372.16 × 2,252,704.92 - Step 4: Simplify right side
3,970,578.84x = 12,345,661,328,263.03 - Step 5: Solve for x
x = 12,345,661,328,263.03/3,970,578.84 - Step 6: Final answer
x = 3,109,285.03
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.