Finding the Fourth Proportional to 2,555,869.05, 3,527,042.54 and 1,409,949.09
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Solution
The fourth proportional to 2,555,869.05, 3,527,042.54 and 1,409,949.09 is: 1,945,698.44
Step by Step Solution
- Step 1: Write the proportion equation
2,555,869.05 : 3,527,042.54 = 1,409,949.09 : x - Step 2: Convert to fraction form
2,555,869.05/3,527,042.54 = 1,409,949.09/x - Step 3: Cross multiply
2,555,869.05x = 3,527,042.54 × 1,409,949.09 - Step 4: Simplify right side
2,555,869.05x = 4,972,950,412,614.54 - Step 5: Solve for x
x = 4,972,950,412,614.54/2,555,869.05 - Step 6: Final answer
x = 1,945,698.44
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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.