Finding the Fourth Proportional to 2,138,933.24, 2,951,727.87 and 1,233,515.24
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Solution
The fourth proportional to 2,138,933.24, 2,951,727.87 and 1,233,515.24 is: 1,702,251.03
Step by Step Solution
- Step 1: Write the proportion equation
2,138,933.24 : 2,951,727.87 = 1,233,515.24 : x - Step 2: Convert to fraction form
2,138,933.24/2,951,727.87 = 1,233,515.24/x - Step 3: Cross multiply
2,138,933.24x = 2,951,727.87 × 1,233,515.24 - Step 4: Simplify right side
2,138,933.24x = 3,641,001,311,977.74 - Step 5: Solve for x
x = 3,641,001,311,977.74/2,138,933.24 - Step 6: Final answer
x = 1,702,251.03
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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.