Finding the Fourth Proportional to 5,371,074.21, 7,412,176.71 and 2,923,755.60
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Solution
The fourth proportional to 5,371,074.21, 7,412,176.71 and 2,923,755.60 is: 4,034,834.06
Step by Step Solution
- Step 1: Write the proportion equation
5,371,074.21 : 7,412,176.71 = 2,923,755.60 : x - Step 2: Convert to fraction form
5,371,074.21/7,412,176.71 = 2,923,755.60/x - Step 3: Cross multiply
5,371,074.21x = 7,412,176.71 × 2,923,755.60 - Step 4: Simplify right side
5,371,074.21x = 21,671,393,164,052.08 - Step 5: Solve for x
x = 21,671,393,164,052.08/5,371,074.21 - Step 6: Final answer
x = 4,034,834.06
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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.