Finding the Fourth Proportional to 2,170,782.99, 2,995,284.42 and 1,252,677.19
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Solution
The fourth proportional to 2,170,782.99, 2,995,284.42 and 1,252,677.19 is: 1,728,465.94
Step by Step Solution
- Step 1: Write the proportion equation
2,170,782.99 : 2,995,284.42 = 1,252,677.19 : x - Step 2: Convert to fraction form
2,170,782.99/2,995,284.42 = 1,252,677.19/x - Step 3: Cross multiply
2,170,782.99x = 2,995,284.42 × 1,252,677.19 - Step 4: Simplify right side
2,170,782.99x = 3,752,124,470,496.38 - Step 5: Solve for x
x = 3,752,124,470,496.38/2,170,782.99 - Step 6: Final answer
x = 1,728,465.94
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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.