Finding the Fourth Proportional to 2,057,315.19, 3,086,120.57 and 709,458.36
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Solution
The fourth proportional to 2,057,315.19, 3,086,120.57 and 709,458.36 is: 1,064,238.50
Step by Step Solution
- Step 1: Write the proportion equation
2,057,315.19 : 3,086,120.57 = 709,458.36 : x - Step 2: Convert to fraction form
2,057,315.19/3,086,120.57 = 709,458.36/x - Step 3: Cross multiply
2,057,315.19x = 3,086,120.57 × 709,458.36 - Step 4: Simplify right side
2,057,315.19x = 2,189,474,034,807.17 - Step 5: Solve for x
x = 2,189,474,034,807.17/2,057,315.19 - Step 6: Final answer
x = 1,064,238.50
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.