Finding the Fourth Proportional to 1,860,707.88, 2,568,054.48 and 1,135,975.68
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Solution
The fourth proportional to 1,860,707.88, 2,568,054.48 and 1,135,975.68 is: 1,567,815.92
Step by Step Solution
- Step 1: Write the proportion equation
1,860,707.88 : 2,568,054.48 = 1,135,975.68 : x - Step 2: Convert to fraction form
1,860,707.88/2,568,054.48 = 1,135,975.68/x - Step 3: Cross multiply
1,860,707.88x = 2,568,054.48 × 1,135,975.68 - Step 4: Simplify right side
1,860,707.88x = 2,917,247,434,195.05 - Step 5: Solve for x
x = 2,917,247,434,195.05/1,860,707.88 - Step 6: Final answer
x = 1,567,815.92
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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.