Finding the Fourth Proportional to 3,916,201.87, 5,872,867.62 and 1,356,755.77
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Solution
The fourth proportional to 3,916,201.87, 5,872,867.62 and 1,356,755.77 is: 2,034,636.44
Step by Step Solution
- Step 1: Write the proportion equation
3,916,201.87 : 5,872,867.62 = 1,356,755.77 : x - Step 2: Convert to fraction form
3,916,201.87/5,872,867.62 = 1,356,755.77/x - Step 3: Cross multiply
3,916,201.87x = 5,872,867.62 × 1,356,755.77 - Step 4: Simplify right side
3,916,201.87x = 7,968,047,029,881.17 - Step 5: Solve for x
x = 7,968,047,029,881.17/3,916,201.87 - Step 6: Final answer
x = 2,034,636.44
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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.