Finding the Fourth Proportional to 4,578,762.76, 6,318,716.34 and 2,860,879.48
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Solution
The fourth proportional to 4,578,762.76, 6,318,716.34 and 2,860,879.48 is: 3,948,028.51
Step by Step Solution
- Step 1: Write the proportion equation
4,578,762.76 : 6,318,716.34 = 2,860,879.48 : x - Step 2: Convert to fraction form
4,578,762.76/6,318,716.34 = 2,860,879.48/x - Step 3: Cross multiply
4,578,762.76x = 6,318,716.34 × 2,860,879.48 - Step 4: Simplify right side
4,578,762.76x = 18,077,085,917,046.70 - Step 5: Solve for x
x = 18,077,085,917,046.70/4,578,762.76 - Step 6: Final answer
x = 3,948,028.51
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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.