Finding the Fourth Proportional to 2,057,533.38, 2,839,395.60 and 1,139,821.92
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Solution
The fourth proportional to 2,057,533.38, 2,839,395.60 and 1,139,821.92 is: 1,572,953.99
Step by Step Solution
- Step 1: Write the proportion equation
2,057,533.38 : 2,839,395.60 = 1,139,821.92 : x - Step 2: Convert to fraction form
2,057,533.38/2,839,395.60 = 1,139,821.92/x - Step 3: Cross multiply
2,057,533.38x = 2,839,395.60 × 1,139,821.92 - Step 4: Simplify right side
2,057,533.38x = 3,236,405,344,431.55 - Step 5: Solve for x
x = 3,236,405,344,431.55/2,057,533.38 - Step 6: Final answer
x = 1,572,953.99
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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.