Finding the Fourth Proportional to 3,103,574.64, 4,282,933.00 and 1,727,007.02
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Solution
The fourth proportional to 3,103,574.64, 4,282,933.00 and 1,727,007.02 is: 2,383,269.69
Step by Step Solution
- Step 1: Write the proportion equation
3,103,574.64 : 4,282,933.00 = 1,727,007.02 : x - Step 2: Convert to fraction form
3,103,574.64/4,282,933.00 = 1,727,007.02/x - Step 3: Cross multiply
3,103,574.64x = 4,282,933.00 × 1,727,007.02 - Step 4: Simplify right side
3,103,574.64x = 7,396,655,374,848.11 - Step 5: Solve for x
x = 7,396,655,374,848.11/3,103,574.64 - Step 6: Final answer
x = 2,383,269.69
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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.