Finding the Fourth Proportional to 5,384,125.08, 7,430,115.70 and 2,936,788.60
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Solution
The fourth proportional to 5,384,125.08, 7,430,115.70 and 2,936,788.60 is: 4,052,780.86
Step by Step Solution
- Step 1: Write the proportion equation
5,384,125.08 : 7,430,115.70 = 2,936,788.60 : x - Step 2: Convert to fraction form
5,384,125.08/7,430,115.70 = 2,936,788.60/x - Step 3: Cross multiply
5,384,125.08x = 7,430,115.70 × 2,936,788.60 - Step 4: Simplify right side
5,384,125.08x = 21,820,679,084,441.02 - Step 5: Solve for x
x = 21,820,679,084,441.02/5,384,125.08 - Step 6: Final answer
x = 4,052,780.86
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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.