Finding the Fourth Proportional to 2,119,273.20, 3,174,244.20 and 1,839,337.20
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Solution
The fourth proportional to 2,119,273.20, 3,174,244.20 and 1,839,337.20 is: 2,754,956.48
Step by Step Solution
- Step 1: Write the proportion equation
2,119,273.20 : 3,174,244.20 = 1,839,337.20 : x - Step 2: Convert to fraction form
2,119,273.20/3,174,244.20 = 1,839,337.20/x - Step 3: Cross multiply
2,119,273.20x = 3,174,244.20 × 1,839,337.20 - Step 4: Simplify right side
2,119,273.20x = 5,838,505,438,944.24 - Step 5: Solve for x
x = 5,838,505,438,944.24/2,119,273.20 - Step 6: Final answer
x = 2,754,956.48
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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.