Finding the Fourth Proportional to 1,860,713.84, 2,568,062.76 and 1,135,981.66
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Solution
The fourth proportional to 1,860,713.84, 2,568,062.76 and 1,135,981.66 is: 1,567,824.21
Step by Step Solution
- Step 1: Write the proportion equation
1,860,713.84 : 2,568,062.76 = 1,135,981.66 : x - Step 2: Convert to fraction form
1,860,713.84/2,568,062.76 = 1,135,981.66/x - Step 3: Cross multiply
1,860,713.84x = 2,568,062.76 × 1,135,981.66 - Step 4: Simplify right side
1,860,713.84x = 2,917,272,197,088.98 - Step 5: Solve for x
x = 2,917,272,197,088.98/1,860,713.84 - Step 6: Final answer
x = 1,567,824.21
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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.